InChI=1/C19H21N3O/c1-2-5-15(6-3-1)13-22-10-4-7-18(14-22)23-17-8-9-19-16(11-17)12-20-21-19/h1-3,5-6,8-9,11-12,18H,4,7,10,13-14H2,(H,20,21)/p+1/t18-/m1/s1/fC19H22N3O/h21-22H/q+1 7A11B8DA5D6292B5