InChI=1/C20H19N3O3/c1-12(22-14-7-5-6-13(21)11-14)10-17(24)18-19(25)15-8-3-4-9-16(15)23(2)20(18)26/h3-11,22,26H,21H2,1-2H3/p-1/b12-10+/fC20H18N3O3/h26h/q-1 CD9C9959B1680C32