InChI=1S/C31H34O12/c1-14(2)5-4-7-31(3)8-6-15-9-17(21-12-19(34)24-18(33)10-16(32)11-23(24)40-21)22(13-20(15)43-31)41-30-27(37)25(35)26(36)28(42-30)29(38)39/h5-6,8-11,13,21,25-28,30,32-33,35-37H,4,7,12H2,1-3H3,(H,38,39)