InChI=1S/C27H33N3O9/c1-26(38)12-7-6-8-13(31)14(12)20(32)15-17(26)22(34)18-19(29(2)3)21(33)16(24(36)27(18,39)23(15)35)25(37)28-11-30-9-4-5-10-30/h6-8,15-19,22,31,34,38-39H,4-5,9-11H2,1-3H3,(H,28,37)/t15?,16?,17?,18?,19?,22?,26-,27+/m1/s1