InChI=1S/C16H23N3O8/c1-18(17-26)6-3-5-10(20)9-4-2-7-19(8-9)15-13(23)11(21)12(22)14(27-15)16(24)25/h2,4,7-8,10-15,20-23H,3,5-6H2,1H3/p+1/t10?,11-,12-,13+,14-,15+/m0/s1