上游原料
Acrylonitrileo-Nitroaniline; 2-Nitroaniline; 2-NitrophenylamineCyanoacetic acid ethyl ester; Ethyl 2-cyanoacetate; Ethyl cyanoacetate; Ethyl isocyanacetate3-(2-nitroanilino)propanenitrile3-(2-aminoanilino)propanenitrileethyl 3-ethoxy-3-iminopropanoateethyl 2-[1-(2-cyanoethyl)-1H-benzimidazol-2-yl]acetateethyl 3-[2-(2-ethoxy-2-oxoethyl)-1H-benzimidazol-1-yl]propanoateethyl 3-oxo-1,2,3,5-tetrahydropyrido[1,2-a]benzimidazole-4-carboxylate2,6-Difluorophenylamine; 2,6-Difluoroaniline