InChI=1/C16H22N2O/c1-12(14-7-8-14)9-16(19)17-15-6-4-5-13(10-15)11-18(2)3/h4-6,9-10,14H,7-8,11H2,1-3H3,(H,17,19)/p+1/b12-9-/fC16H23N2O/h17-18H/q+1 52384401AE42482B