InChI=1/C19H23N3O2/c1-22(2)11-12-24-17-9-5-15(6-10-17)19-18(20-13-21-19)14-3-7-16(23)8-4-14/h3-10,13,18-19,23H,11-12H2,1-2H3,(H,20,21)/p+2/t18-,19+/m0/s1/fC19H25N3O2/h20-22H/q+2 CBCC2AB1C0A0F0D8