InChI=1S/C30H39N3O8/c1-16(2)13-24(35)28(37)33-25-26(17(3)4)41-20-11-9-18(10-12-20)14-22(30(39)40)32-27(36)21(31-29(25)38)15-19-7-5-6-8-23(19)34/h5-12,16-17,21-22,24-26,34-35H,13-15H2,1-4H3,(H,31,38)(H,32,36)(H,33,37)(H,39,40)