InChI=1S/C28H30NO12/c1-36-18-4-3-13-7-17-15-9-20-19(39-12-40-20)8-14(15)5-6-29(17,10-16(13)25(18)37-2)21(30)11-38-28-24(33)22(31)23(32)26(41-28)27(34)35/h3-4,7-9,22-24,26,28,31-33H,5-6,10-12H2,1-2H3,(H,34,35)