InChI=1S/C40H46N4O12/c1-15-21(7-9-31(47)48)27-14-28-22(8-10-32(49)55-40-37(52)35(50)36(51)38(56-40)39(53)54)16(2)24(42-28)12-29-34(20(6)46)18(4)26(44-29)13-30-33(19(5)45)17(3)25(43-30)11-23(15)41-27/h11-14,19-20,35-38,40-41,43,45-46,50-52H,7-10H2,1-6H3,(H,47,48)(H,53,54)/b23-11-,24-12-,25-11-,26-13-,27-14-,28-14-,29-12-,30-13-