InChI=1/C19H25N3O/c1-3-17-11-7-8-12-18(17)21-19(23)20-13-14-22(2)15-16-9-5-4-6-10-16/h4-12H,3,13-15H2,1-2H3,(H2,20,21,23)/p+1/fC19H26N3O/h20-22H/q+1 A2C0F40FC626B656