上游原料
Ethyl 2-chloro-2-oxoacetate; Ethyl oxalyl chlorideethyl 2-chloro-3-oxobutanoate1-Amino-4-chloro-2-nitrobenzene; 2-Nitro-4-chloroaniline; p-chloro-o-nitroaniline; 4-chloro-2-nitroaniline; 4-chloro-2-nitrophenylamineN-(4-chloro-2-nitrophenyl)-2-ethoxy-2-oxoethanehydrazonoyl chlorideN'-(4-chloro-2-nitrophenyl)-2-ethoxy-2-oxoethanehydrazonamideethyl 2-([1-[(E)-2-(4-chloro-2-nitrophenyl)hydrazono]-2-ethoxy-2-oxoethyl]amino)-2-oxoacetatediethyl 1-(4-chloro-2-nitrophenyl)-1H-1,2,4-triazole-3,5-dicarboxylateethyl 7-chloro-4-oxo-4,5-dihydro[1,2,4]triazolo[1,5-a]quinoxaline-2-carboxylateethyl 7-chloro-8-nitro-4-oxo-4,5-dihydro[1,2,4]triazolo[1,5-a]quinoxaline-2-carboxylateethyl 8-amino-7-chloro-4-oxo-4,5-dihydro[1,2,4]triazolo[1,5-a]quinoxaline-2-carboxylateethyl 7-chloro-4-oxo-8-(4H-1,2,4-triazol-4-yl)-4,5-dihydro[1,2,4]triazolo[1,5-a]quinoxaline-2-carboxylate
