InChI=1/C19H22N4/c1-2-4-15(5-3-1)14-23-10-8-17(9-11-23)21-18-6-7-19-16(12-18)13-20-22-19/h1-7,12-13,17,21H,8-11,14H2,(H,20,22)/p+1/fC19H23N4/h22-23H/q+1 E0B8335B36325352