InChI=1S/C27H35N3O9/c1-26(38)13-8-12(31)9-16(32)17(13)21(33)18-14(26)10-15-20(29(2)3)22(34)19(24(36)27(15,39)23(18)35)25(37)28-11-30-6-4-5-7-30/h8-9,14-15,18-20,22,31-32,34,38-39H,4-7,10-11H2,1-3H3,(H,28,37)/t14?,15?,18?,19?,20?,22?,26-,27+/m1/s1