InChI=1S/C27H33N3O9/c1-26(38)12-6-4-7-15(31)17(12)21(33)18-13(26)10-14-20(29(2)3)22(34)19(24(36)27(14,39)23(18)35)25(37)28-11-30-9-5-8-16(30)32/h4,6-7,13-14,16,20,31-32,34-35,38-39H,5,8-11H2,1-3H3,(H,28,37)/t13-,14-,16?,20?,26+,27-/m0/s1