Search Results for compound
Searching compound for ergosta 5 en 3 ol returned 63184 results.
Displaying compounds 3651 - 3675 of 63184 in total
FDB020832
472-30-0
(2Z,6S)-6-[(1R,2R,11S,14S,15S)-5-hydroxy-2,6,6,11,15-pentamethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec-9-en-14-yl]-2-methylhept-2-enoic acid
Matched iupac: … -9-en-14-yl]-2-methylhept-2-enoic acid ... (2Z,6S)-6-[(1R,2R,11S,14S,15S)-5-hydroxy-2,6,6,11,15-pentamethyltetracyclo[8.7.0.0^{2,7}.0^{11,15}]heptadec …
FDB016257
34328-55-7
1-(2,6-dihydroxy-4-methoxy-3,5-dimethylphenyl)-3-phenylpropan-1-one
Matched synonyms: … 2',6'-Dihydroxy-4'-methoxy-3',5'-dimethyldihydrochalcone ... 1-(2,6-Dihydroxy-4-methoxy-3,5-dimethylphenyl)-3-phenyl-1-propanone …
Matched iupac: … 1-(2,6-dihydroxy-4-methoxy-3,5-dimethylphenyl)-3-phenylpropan-1-one …
Matched iupac: … 1-(2,6-dihydroxy-4-methoxy-3,5-dimethylphenyl)-3-phenylpropan-1-one …
FDB013190
124721-15-9
12,21,23-trihydroxy-8,8,18,18-tetramethyl-5-(3-methylbut-2-en-1-yl)-3,7,19-trioxahexacyclo[15.6.1.0²,¹⁵.0⁴,¹³.0⁶,¹¹.0²⁰,²⁴]tetracosa-1(24),2(15),4(13),5,9,11,20,22-octaen-14-one
Matched iupac: … 12,21,23-trihydroxy-8,8,18,18-tetramethyl-5-(3-methylbut-2-en-1-yl)-3,7,19-trioxahexacyclo[15.6.1.0²,¹⁵.0⁴,¹³.0⁶,¹¹.0²⁰,²⁴ …
FDB022030
99598-04-6
(4R)-4-[(1S,2S,3R,5S,7S,9R,10S,11S,14R,15R)-3,5,9-trihydroxy-2,15-dimethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-14-yl]pentanoic acid
Matched synonyms: … 3-a,7-a,12-a-Trihydroxy-5-a-cholanoate ... 3-a,7-a,12-a-Trihydroxy-5-a-cholanoic acid ... 3-a,7-a,12-alpha-Trihydroxy-5-alpha-cholanoate …
Matched description: … different bile acids is minute, depends only on presence or absence of hydroxyl groups on positions 3, …
Matched description: … different bile acids is minute, depends only on presence or absence of hydroxyl groups on positions 3, …
FDB023042
802-31-3
7-[(1R,2R,3R)-3-hydroxy-2-[(3S)-3-hydroxyocta-1,5-dien-1-yl]-5-oxocyclopentyl]hept-5-enoic acid
Matched synonyms: … 7-[3-hydroxy-2-(3-hydroxy-1,5-octadienyl)-5-oxocyclopentyl]-5-Heptenoate ... 7-[3-hydroxy-2-(3-hydroxy-1,5-octadienyl)-5-oxocyclopentyl]-5-Heptenoic acid ... 7-[3-hydroxy-2-(3-hydroxy-1,5-octadienyl)-5-oxocyclopentyl]-5-Heptenoic acid stereoisomer …
Matched iupac: … 7-[(1R,2R,3R)-3-hydroxy-2-[(3S)-3-hydroxyocta-1,5-dien-1-yl]-5-oxocyclopentyl]hept-5-enoic acid …
Matched iupac: … 7-[(1R,2R,3R)-3-hydroxy-2-[(3S)-3-hydroxyocta-1,5-dien-1-yl]-5-oxocyclopentyl]hept-5-enoic acid …
FDB014901
2704-76-9
1-[4-(prop-1-en-2-yl)cyclopent-1-en-1-yl]ethan-1-one
Matched iupac: … 1-[4-(prop-1-en-2-yl)cyclopent-1-en-1-yl]ethan-1-one …
{[(2R,3S,4S)-5-[(2,5-diamino-6-oxo-1,6-dihydropyrimidin-4-yl)amino]-2,3,4-trihydroxypentyl]oxy}phosphonic acid
Matched name: … 2,5-diamino-6-(5-phospho-D-ribitylamino)pyrimidin-4(3H)-one …
Matched iupac: … {[(2R,3S,4S)-5-[(2,5-diamino-6-oxo-1,6-dihydropyrimidin-4-yl)amino]-2,3,4-trihydroxypentyl]oxy}phosphonic …
Matched description: … 2,5-diamino-6-(5-phospho-d-ribitylamino)pyrimidin-4(3h)-one is a member of the class of compounds known ... is slightly soluble (in water) and a moderately acidic compound (based on its pKa). 2,5-diamino-6-(5- ... a number of food items such as abiyuch, saffron, natal plum, and pasta, which makes 2,5-diamino-6-(5- …
Matched iupac: … {[(2R,3S,4S)-5-[(2,5-diamino-6-oxo-1,6-dihydropyrimidin-4-yl)amino]-2,3,4-trihydroxypentyl]oxy}phosphonic …
Matched description: … 2,5-diamino-6-(5-phospho-d-ribitylamino)pyrimidin-4(3h)-one is a member of the class of compounds known ... is slightly soluble (in water) and a moderately acidic compound (based on its pKa). 2,5-diamino-6-(5- ... a number of food items such as abiyuch, saffron, natal plum, and pasta, which makes 2,5-diamino-6-(5- …
FDB018498
142287-77-2
2-{[3-hydroxy-2-(hydroxymethyl)-6-{5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸]icosan]-18'-en-15'-oloxy}-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-4-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol
Matched synonyms: … 3-(3,5-Difluorophenyl)-2-(2-pyridinyl)acrylonitrile …
Matched iupac: … ]icosan]-18'-en-15'-oloxy}-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-4-yl]oxy}-6-(hydroxymethyl ... 2-{[3-hydroxy-2-(hydroxymethyl)-6-{5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸ …
Matched iupac: … ]icosan]-18'-en-15'-oloxy}-5-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxy]oxan-4-yl]oxy}-6-(hydroxymethyl ... 2-{[3-hydroxy-2-(hydroxymethyl)-6-{5,7',9',13'-tetramethyl-5'-oxaspiro[oxane-2,6'-pentacyclo[10.8.0.0²,⁹.0⁴,⁸.0¹³,¹⁸ …
FDB019275
69987-14-0
2-[(5-hydroxy-6-methyl-2-{5,8,16-trihydroxy-2,6,6,10,11-pentamethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan-14-yl}hept-6-en-2-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol
Matched iupac: … -14-yl}hept-6-en-2-yl)oxy]-6-(hydroxymethyl)oxane-3,4,5-triol ... 2-[(5-hydroxy-6-methyl-2-{5,8,16-trihydroxy-2,6,6,10,11-pentamethyltetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadecan …
FDB002935
35176-46-6
5-nonadecylbenzene-1,3-diol
Matched synonyms: … 5-Nonadecylresorcinol ... 5-(n-nonadecyl)resorcinol ... 1,3-Benzenediol, 5-nonadecyl- …
Matched name: … 5-Nonadecyl-1,3-benzenediol …
Matched iupac: … 5-nonadecylbenzene-1,3-diol …
Matched description: … Constituent of wheat bran. 5-Nonadecyl-1,3-benzenediol is found in many foods, some of which are common …
Matched name: … 5-Nonadecyl-1,3-benzenediol …
Matched iupac: … 5-nonadecylbenzene-1,3-diol …
Matched description: … Constituent of wheat bran. 5-Nonadecyl-1,3-benzenediol is found in many foods, some of which are common …
FDB012332
16694-31-8
5-oxooctadecanoic acid
Matched synonyms: … 5-Ketostearic acid ... 5-Oxostearic acid ... 5-oxo-Octadecanoic acid …
Matched name: … 5-Oxooctadecanoic acid …
Matched iupac: … 5-oxooctadecanoic acid …
Matched description: … Trace constituent of milk fat. 5-Oxooctadecanoic acid is found in milk and milk products. …
Matched name: … 5-Oxooctadecanoic acid …
Matched iupac: … 5-oxooctadecanoic acid …
Matched description: … Trace constituent of milk fat. 5-Oxooctadecanoic acid is found in milk and milk products. …
(3Z)-hex-3-en-1-yl propanoate
Matched name: … Hex-cis-3-enyl propionate …
Matched iupac: … (3Z)-hex-3-en-1-yl propanoate …
Matched description: … Cis-3-hexenyl propanoate is a member of the class of compounds known as carboxylic acid esters. ... Cis-3-hexenyl propanoate is practically insoluble (in water) and an extremely weak basic (essentially ... , and tea, which makes cis-3-hexenyl propanoate a potential biomarker for the consumption of these food …
Matched iupac: … (3Z)-hex-3-en-1-yl propanoate …
Matched description: … Cis-3-hexenyl propanoate is a member of the class of compounds known as carboxylic acid esters. ... Cis-3-hexenyl propanoate is practically insoluble (in water) and an extremely weak basic (essentially ... , and tea, which makes cis-3-hexenyl propanoate a potential biomarker for the consumption of these food …
(3E)-hex-3-en-1-yl butanoate
Matched iupac: … (3E)-hex-3-en-1-yl butanoate …
Matched description: … Butanoic acid 3-hexenyl ester can be found in soy bean, which makes butanoic acid 3-hexenyl ester a potential ... Butanoic acid 3-hexenyl ester is a member of the class of compounds known as fatty acid esters. ... Butanoic acid 3-hexenyl ester is practically insoluble (in water) and an extremely weak basic (essentially …
Matched description: … Butanoic acid 3-hexenyl ester can be found in soy bean, which makes butanoic acid 3-hexenyl ester a potential ... Butanoic acid 3-hexenyl ester is a member of the class of compounds known as fatty acid esters. ... Butanoic acid 3-hexenyl ester is practically insoluble (in water) and an extremely weak basic (essentially …
FDB017246
2835-39-4
prop-2-en-1-yl 3-methylbutanoate
Matched synonyms: … Allyl 3-methylbutyrate ... 2-Propenyl 3-methylbutanoate ... Allyl 3-methylbutanoate …
Matched name: … 2-Propenyl 3-methylbutanoate …
Matched iupac: … prop-2-en-1-yl 3-methylbutanoate …
Matched name: … 2-Propenyl 3-methylbutanoate …
Matched iupac: … prop-2-en-1-yl 3-methylbutanoate …
FDB010975
656-53-1
2-(4-methyl-1,3-thiazol-5-yl)ethyl acetate
Matched synonyms: … 5-Thiazoleethanol, 4-methyl-, 5-acetate ... 2-(4-Methyl-5-thiazolyl)ethyl acetate ... 4-Methyl-5-(2-acetoxyethyl)thiazole …
Matched name: … 5-(2-Hydroxyethyl)-4-methylthiazole acetate …
Matched iupac: … 2-(4-methyl-1,3-thiazol-5-yl)ethyl acetate …
Matched name: … 5-(2-Hydroxyethyl)-4-methylthiazole acetate …
Matched iupac: … 2-(4-methyl-1,3-thiazol-5-yl)ethyl acetate …
5-aminopentanal
Matched synonyms: … 5-Amino-pentanal …
Matched name: … 5-Aminopentanal …
Matched iupac: … 5-aminopentanal …
Matched description: … 5-Aminopentanal belongs to the class of organic compounds known as alpha-hydrogen aldehydes. ... This could make 5-aminopentanal a potential biomarker for the consumption of these foods. ... is a very strong basic compound (based on its pKa). 5-Aminopentanal exists in all living organisms, …
Matched name: … 5-Aminopentanal …
Matched iupac: … 5-aminopentanal …
Matched description: … 5-Aminopentanal belongs to the class of organic compounds known as alpha-hydrogen aldehydes. ... This could make 5-aminopentanal a potential biomarker for the consumption of these foods. ... is a very strong basic compound (based on its pKa). 5-Aminopentanal exists in all living organisms, …
FDB008242
13891-87-7
FDB029645
930-68-7
(2-{[(2R)-2-(hexadecanoyloxy)-3-(icosa-5,8,11,14,17-pentaenoyloxy)propyl phosphonato]oxy}ethyl)trimethylazanium
Matched synonyms: … 1-Eicosapentaenoyl-2-palmitoyl-sn-glycero-3-ocholine ... PC(20:5/16:0) ... GPCho(20:5/16:0) …
Matched name: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/16:0) …
Matched iupac: … (2-{[(2R)-2-(hexadecanoyloxy)-3-(icosa-5,8,11,14,17-pentaenoyloxy)propyl phosphonato]oxy}ethyl)trimethylazanium …
Matched description: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/16:0) is a phosphatidylcholine (PC or GPCho). ... PC(20:5(5Z,8Z,11Z,14Z,17Z)/16:0), in particular, consists of one chain of eicosapentaenoic acid at the …
Matched name: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/16:0) …
Matched iupac: … (2-{[(2R)-2-(hexadecanoyloxy)-3-(icosa-5,8,11,14,17-pentaenoyloxy)propyl phosphonato]oxy}ethyl)trimethylazanium …
Matched description: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/16:0) is a phosphatidylcholine (PC or GPCho). ... PC(20:5(5Z,8Z,11Z,14Z,17Z)/16:0), in particular, consists of one chain of eicosapentaenoic acid at the …
(2-{[(2R)-3-(icosa-5,8,11,14,17-pentaenoyloxy)-2-(octadec-11-enoyloxy)propyl phosphonato]oxy}ethyl)trimethylazanium
Matched synonyms: … 1-Eicosapentaenoyl-2-vaccenoyl-sn-glycero-3-ocholine ... PC(20:5/18:1) ... GPCho(20:5/18:1) …
Matched name: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/18:1(11Z)) …
Matched iupac: … (2-{[(2R)-3-(icosa-5,8,11,14,17-pentaenoyloxy)-2-(octadec-11-enoyloxy)propyl phosphonato]oxy}ethyl)trimethylazanium …
Matched description: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/18:1(11Z)) is a phosphatidylcholine (PC or GPCho). ... PC(20:5(5Z,8Z,11Z,14Z,17Z)/18:1(11Z)), in particular, consists of one chain of eicosapentaenoic acid …
Matched name: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/18:1(11Z)) …
Matched iupac: … (2-{[(2R)-3-(icosa-5,8,11,14,17-pentaenoyloxy)-2-(octadec-11-enoyloxy)propyl phosphonato]oxy}ethyl)trimethylazanium …
Matched description: … PC(20:5(5Z,8Z,11Z,14Z,17Z)/18:1(11Z)) is a phosphatidylcholine (PC or GPCho). ... PC(20:5(5Z,8Z,11Z,14Z,17Z)/18:1(11Z)), in particular, consists of one chain of eicosapentaenoic acid …
(2-aminoethoxy)[(2R)-2-(icosa-5,8,11,14,17-pentaenoyloxy)-3-(icosa-5,8,11,14-tetraenoyloxy)propoxy]phosphinic acid
Matched synonyms: … PE(20:4/20:5) ... GPEtn(20:4/20:5) ... 1-Arachidonoyl-2-eicosapentaenoyl-sn-glycero-3-oethanolamine …
Matched name: … PE(20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-2-(icosa-5,8,11,14,17-pentaenoyloxy)-3-(icosa-5,8,11,14-tetraenoyloxy)propoxy]phosphinic …
Matched description: … PE(20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of arachidonic …
Matched name: … PE(20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-2-(icosa-5,8,11,14,17-pentaenoyloxy)-3-(icosa-5,8,11,14-tetraenoyloxy)propoxy]phosphinic …
Matched description: … PE(20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(20:4(5Z,8Z,11Z,14Z)/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of arachidonic …
(2-aminoethoxy)[(2R)-3-(icosa-5,8,11,14,17-pentaenoyloxy)-2-(octadecanoyloxy)propoxy]phosphinic acid
Matched synonyms: … PE(20:5/18:0) ... GPEtn(20:5/18:0) ... 1-Eicosapentaenoyl-2-stearoyl-sn-glycero-3-oethanolamine …
Matched name: … PE(20:5(5Z,8Z,11Z,14Z,17Z)/18:0) …
Matched iupac: … (2-aminoethoxy)[(2R)-3-(icosa-5,8,11,14,17-pentaenoyloxy)-2-(octadecanoyloxy)propoxy]phosphinic acid …
Matched description: … PE(20:5(5Z,8Z,11Z,14Z,17Z)/18:0) is a phosphatidylethanolamine (PE or GPEtn). ... PE(20:5(5Z,8Z,11Z,14Z,17Z)/18:0), in particular, consists of one chain of eicosapentaenoic acid at the …
Matched name: … PE(20:5(5Z,8Z,11Z,14Z,17Z)/18:0) …
Matched iupac: … (2-aminoethoxy)[(2R)-3-(icosa-5,8,11,14,17-pentaenoyloxy)-2-(octadecanoyloxy)propoxy]phosphinic acid …
Matched description: … PE(20:5(5Z,8Z,11Z,14Z,17Z)/18:0) is a phosphatidylethanolamine (PE or GPEtn). ... PE(20:5(5Z,8Z,11Z,14Z,17Z)/18:0), in particular, consists of one chain of eicosapentaenoic acid at the …
(2-aminoethoxy)[(2R)-3-(docosa-13,16-dienoyloxy)-2-(icosa-5,8,11,14,17-pentaenoyloxy)propoxy]phosphinic acid
Matched synonyms: … PE(22:2/20:5) ... GPEtn(22:2/20:5) ... 1-Docosadienoyl-2-eicosapentaenoyl-sn-glycero-3-oethanolamine …
Matched name: … PE(22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-3-(docosa-13,16-dienoyloxy)-2-(icosa-5,8,11,14,17-pentaenoyloxy)propoxy]phosphinic …
Matched description: … PE(22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of docosadienoic acid …
Matched name: … PE(22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-3-(docosa-13,16-dienoyloxy)-2-(icosa-5,8,11,14,17-pentaenoyloxy)propoxy]phosphinic …
Matched description: … PE(22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(22:2(13Z,16Z)/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of docosadienoic acid …
(2-aminoethoxy)[(2R)-3-(docosa-4,7,10,13,16,19-hexaenoyloxy)-2-(icosa-5,8,11,14,17-pentaenoyloxy)propoxy]phosphinic acid
Matched synonyms: … PE(22:6/20:5) ... GPEtn(22:6/20:5) ... 1-Docosahexaenoyl-2-eicosapentaenoyl-sn-glycero-3-oethanolamine …
Matched name: … PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-3-(docosa-4,7,10,13,16,19-hexaenoyloxy)-2-(icosa-5,8,11,14,17-pentaenoyloxy)propoxy …
Matched description: … PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of docosahexaenoic …
Matched name: … PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-3-(docosa-4,7,10,13,16,19-hexaenoyloxy)-2-(icosa-5,8,11,14,17-pentaenoyloxy)propoxy …
Matched description: … PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(22:6(4Z,7Z,10Z,13Z,16Z,19Z)/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of docosahexaenoic …
(2-aminoethoxy)[(2R)-2-(icosa-5,8,11,14,17-pentaenoyloxy)-3-(tetracosanoyloxy)propoxy]phosphinic acid
Matched synonyms: … PE(24:0/20:5) ... GPEtn(24:0/20:5) ... 1-Lignoceroyl-2-eicosapentaenoyl-sn-glycero-3-oethanolamine …
Matched name: … PE(24:0/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-2-(icosa-5,8,11,14,17-pentaenoyloxy)-3-(tetracosanoyloxy)propoxy]phosphinic acid …
Matched description: … PE(24:0/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(24:0/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of lignoceric acid at the C-1 …
Matched name: … PE(24:0/20:5(5Z,8Z,11Z,14Z,17Z)) …
Matched iupac: … (2-aminoethoxy)[(2R)-2-(icosa-5,8,11,14,17-pentaenoyloxy)-3-(tetracosanoyloxy)propoxy]phosphinic acid …
Matched description: … PE(24:0/20:5(5Z,8Z,11Z,14Z,17Z)) is a phosphatidylethanolamine (PE or GPEtn). ... PE(24:0/20:5(5Z,8Z,11Z,14Z,17Z)), in particular, consists of one chain of lignoceric acid at the C-1 …