InChI=1S/C30H38O12/c1-15(2)5-9-21(40-29-25(35)23(33)24(34)26(41-29)28(36)37)30(4)27(42-30)19(31)13-16(3)11-12-38-18-8-6-17-7-10-22(32)39-20(17)14-18/h5-8,10-11,14,19,21,23-27,29,31,33-35H,9,12-13H2,1-4H3,(H,36,37)/b16-11+