InChI=1S/C27H27NO6/c1-12-9-16-19(29)11-17-23(22(16)20(30)10-12)26(32)15-6-5-14(25(31)24(15)27(17)33)21-8-7-18(28(3)4)13(2)34-21/h5-6,9-11,13,18,21,29-31H,7-8H2,1-4H3/t13-,18-,21+/m0/s1