InChI=1S/C31H37N3O11/c35-23-12-7-18-4-9-20(10-5-18)43-22-17-19(8-13-25(37)34-24(36)3-1-14-32-15-2-16-33-23)6-11-21(22)44-31-28(40)26(38)27(39)29(45-31)30(41)42/h4-13,17,24,26-29,31-32,36,38-40H,1-3,14-16H2,(H,33,35)(H,34,37)(H,41,42)/b12-7-,13-8-