InChI=1S/C27H33N3O9/c1-25(37)13-7-6-8-15(31)16(13)19(32)17-14(25)11-26(38)21(29(2)3)20(33)18(23(35)27(26,39)22(17)34)24(36)28-12-30-9-4-5-10-30/h6-8,14,21,31,33-34,37-39H,4-5,9-12H2,1-3H3,(H,28,36)/t14-,21?,25+,26?,27-/m0/s1