InChI=1/C18H20N2O2/c1-14(21)16-8-5-9-17(12-16)20-18(22)13-19-11-10-15-6-3-2-4-7-15/h2-9,12,19H,10-11,13H2,1H3,(H,20,22)/p+1/fC18H21N2O2/h19-20H/q+1 94010990819BBF96