InChI=1/C18H22N2O2/c1-12-10-17(18(21)22-12)20-8-6-13(7-9-20)16-11-14-4-2-3-5-15(14)19-16/h2-5,11-13,17,19H,6-10H2,1H3/p+1/t12-,17+/m0/s1/fC18H23N2O2/h20H/q+1 7D49692BB7C2DCE7