InChI=1S/C30H43N3O7/c1-8-21-29(37)40-24(16-20-12-10-9-11-13-20)30(38)39-23(15-18(4)5)27(35)32-22(14-17(2)3)26(34)33-25(19(6)7)28(36)31-21/h8-13,17-19,22-25H,14-16H2,1-7H3,(H,31,36)(H,32,35)(H,33,34)/b21-8+/t22-,23+,24+,25+/m1/s1