InChI=1S/C31H37N3O9/c1-19(2)34(22-17-32-24(20-11-5-3-6-12-20)25(33-22)21-13-7-4-8-14-21)15-9-10-16-41-18-23(35)42-31-28(38)26(36)27(37)29(43-31)30(39)40/h3-8,11-14,17,19,26-29,31,36-38H,9-10,15-16,18H2,1-2H3,(H,39,40)/t26-,27-,28+,29-,31?/m0/s1