InChI=1S/C31H37N3O11/c35-22-11-5-17-4-10-20(43-31-25(38)23(36)24(37)27(45-31)30(40)41)21(16-17)42-19-8-6-18(7-9-19)26-28(44-26)29(39)34-15-3-13-32-12-1-2-14-33-22/h4-11,16,23-28,31-32,36-38H,1-3,12-15H2,(H,33,35)(H,34,39)(H,40,41)/b11-5-