InChI=1/C16H19N3O7/c1-4-24-14(20)12-8-7-11(19(22)23)9-13(12)18-16(10-17,26-6-3)15(21)25-5-2/h7-9,18H,4-6H2,1-3H benzoic acid, 2-[(1-cyano-1,2-diethoxy-2-oxoethyl)amino]-4-nitro-, ethyl ester ethyl 2-[(1-cyano-1,2-diethoxy-2-oxoethyl)amino]-4-nitrobenzoate