InChI=1/C29H28N2O3/c1-16-14-21-22(15-17(16)2)34-27-24(26(21)32)25(19-10-12-20(13-11-19)29(4,5)6)31(28(27)33)23-9-7-8-18(3)30-23/h7-15,25H,1-6H3/t25-/m0/s1 511F0A1F69BA9283