InChI=1/C18H20N2O2/c1-20(2)11-5-10-19-18(21)17-12-15-14-7-4-3-6-13(14)8-9-16(15)22-17/h3-4,6-9,12H,5,10-11H2,1-2H3,(H,19,21)/p+1/fC18H21N2O2/h19-20H/q+1 F8354351521BC2ED