上游原料
5-methyl-2-pyridinecarbonitrile3-Methylpyridine; 3-Picoline3-Methyl-1-pyridiniumolate; 3-Picoline N-oxide1-{[(dimethylamino)carbonyl]oxy}-3-methylpyridinium chloride1-(5-methyl-2-pyridinyl)-1-ethanone2-chloroimidazo[1,2-a]pyridine; 2-chlorobenzimidazole; 2-Amino-4'-chlorodiphenylether; 2-Aminodiphenylether; 2-chloro-1H-benzimidazole1-(5-methyl-2-pyridinyl)-1-ethanone2-chloro-1-methyl-1H-benzimidazole2-hydrazino-1-methyl-1H-benzimidazole
