InChI=1/C31H35N3O2/c1-20(2)19-36-25-15-11-21(12-16-25)23-17-28-30(29(35)18-23)31(22-9-13-24(14-10-22)34(3)4)33-27-8-6-5-7-26(27)32-28/h5-16,20,23,31-33H,17-19H2,1-4H3/t23-,31+/m0/s1 495166BAA5684F55