InChI=1S/C50H58O10/c1-29(2)9-7-11-31(5)13-18-36-33(15-23-43(53)39-20-16-34(51)26-45(39)55)25-42(50(60)49(36)59)41-28-47(57)48(58)38(19-14-32(6)12-8-10-30(3)4)37(41)22-24-44(54)40-21-17-35(52)27-46(40)56/h9-10,13-14,16-17,20-21,25-28,51-52,55-60H,7-8,11-12,15,18-19,22-24H2,1-6H3/b31-13+,32-14-