InChI=1/C26H25N3O2/c1-16(2)19-9-11-20(12-10-19)23-21(14-27)25(28)31-22-13-17(3)29(26(30)24(22)23)15-18-7-5-4-6-8-18/h4-13,16,23H,15,28H2,1-3H3/t23-/m1/s1 1BD88193F23F0B86