InChI=1/C20H25N3O2/c1-24-19-9-13-6-8-23-12-15(17-5-3-4-7-22-17)16(21)11-18(23)14(13)10-20(19)25-2/h3-5,7,9-10,15-16,18H,6,8,11-12,21H2,1-2H3/p+1/t15-,16+,18-/m0/s1/fC20H26N3O2/h21H/q+1 53C09074BD6C70BD