InChI=1/C18H18N2O3/c1-11-4-5-13(3)15(8-11)23-10-14-17(18(21)22)20-7-6-12(2)9-16(20)19-14/h4-9H,10H2,1-3H3,(H,21,22)/p-1/fC18H17N2O3/q-1 BB5C9D03B4DC99F9