InChI=1/C18H21N3O2/c22-11-12-23-17-7-3-15(4-8-17)13-14-1-5-16(6-2-14)21-18-19-9-10-20-18/h1-8,22H,9-13H2,(H2,19,20,21)/p+1/fC18H22N3O2/h19-21H/q+1 FF77B7B4DD7DE556