3,5-pyridinedicarboxylic acid, 2-formyl-1,4-dihydro-6-methyl-4-(5-nitro-2-furanyl)-, 5-ethyl 3-methyl ester 5-ethyl 3-methyl 2-formyl-6-methyl-4-(5-nitro-2-furyl)-1,4-dihydropyridine-3,5-dicarboxylate InChI=1/C16H16N2O8/c1-4-25-16(21)12-8(2)17-9(7-19)13(15(20)24-3)14(12)10-5-6-11(26-10)18(22)23/h5-7,14,17H,4H2,1-3H