InChI=1/C18H18N2O/c1-3-15-10-7-11-17(12-15)19-18(21)14-20(2)13-16-8-5-4-6-9-16/h1,4-12H,13-14H2,2H3,(H,19,21)/p+1/fC18H19N2O/h19-20H/q+1 386D6436053A2286