InChI=1S/C27H35N3O9/c1-26(38)12-6-7-15(31)20(32)16(12)21(33)17-13(26)10-14-19(29(2)3)22(34)18(24(36)27(14,39)23(17)35)25(37)28-11-30-8-4-5-9-30/h6-7,13-14,17-19,23,31-32,35,38-39H,4-5,8-11H2,1-3H3,(H,28,37)/t13?,14?,17?,18?,19?,23?,26-,27+/m1/s1