InChI=1S/C28H35N3O3/c1-15-9-27-12-20-26(4,5)23-17(10-28(20,14-31(27)13-15)30(6)24(27)33)16-7-8-19-21(22(16)29-23)18(32)11-25(2,3)34-19/h7-8,15,20,29H,9-14H2,1-6H3