InChI=1S/C27H37N3O9/c1-29(2)20-15-10-14-18(21(33)17-13(26(14,38)11-31)6-5-7-16(17)32)23(35)27(15,39)24(36)19(22(20)34)25(37)28-12-30-8-3-4-9-30/h5-7,14-15,18-20,22-23,31-32,34-35,38-39H,3-4,8-12H2,1-2H3,(H,28,37)/t14?,15?,18?,19?,20?,22?,23?,26-,27+/m1/s1