InChI=1S/C27H33NO7/c1-25(2)20(29)13-15-26(3,35-25)14-12-16-6-11-19-21(22(16)30)27(32,23(34-5)24(31)28-19)17-7-9-18(33-4)10-8-17/h6-12,14,20,23,29-30,32H,13,15H2,1-5H3,(H,28,31)/b14-12+/t20?,23-,26?,27+/m0/s1