InChI=1S/C27H31NO6/c1-25(2)18-14-19(18)26(3,34-25)13-12-15-6-11-20-21(22(15)29)27(31,23(33-5)24(30)28-20)16-7-9-17(32-4)10-8-16/h6-13,18-19,23,29,31H,14H2,1-5H3,(H,28,30)/b13-12+/t18-,19+,23+,26-,27-/m1/s1