InChI=1S/C42H55NO7/c1-20(2)17-28-47-32-34(38(7,8)48-28)46-27-14-15-39(9)40(10)21(13-16-41(39,45)42(27)35(32)49-42)18-24-29-23-19-25-30(37(5,6)50-36(25,3)4)31(44)22(23)11-12-26(29)43-33(24)40/h11-12,17,21,25,27-28,30,32,34-35,43,45H,13-16,18-19H2,1-10H3