1.0 2026-09-22 22:38:50 UTC 2026-09-22 22:39:27 UTC FDB118997 tanshinone II B 6-(hydroxymethyl)-1,6-dimethyl-8,9-dihydro-7H-naphtho[1,2-g][1]benzofuran-10,11-dione 6-(hydroxymethyl)-1,6-dimethyl-8,9-dihydro-7H-naphtho[1,2-g]benzofuran-10,11-dione C19H18O4 InChI=1S/C19H18O4/c1-10-8-23-18-12-5-6-13-11(4-3-7-19(13,2)9-20)15(12)17(22)16(21)14(10)18/h5-6,8,20H,3-4,7,9H2,1-2H3 XDUXBBDRILEIEZ-UHFFFAOYSA-N formula C19H18O4 ChemAxon inchi InChI=1S/C19H18O4/c1-10-8-23-18-12-5-6-13-11(4-3-7-19(13,2)9-20)15(12)17(22)16(21)14(10)18/h5-6,8,20H,3-4,7,9H2,1-2H3 ChemAxon inchikey XDUXBBDRILEIEZ-UHFFFAOYSA-N ChemAxon