InChI=1/C18H22N2O/c1-3-17(19)13-20-11-10-16(12-18(20)21)9-8-15-6-4-14(2)5-7-15/h4-12,17H,3,13,19H2,1-2H3/p+1/b9-8+/t17-/m0/s1/fC18H23N2O/h19H/q+1 B954203112E252C3