上游原料
2,4-Pentanedione;acetylacetone4,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile5-chloro-4,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile2,5-dichloro-4,6-dimethylnicotinonitrile(Z)-2,5-dichloro-N'-hydroxy-4,6-dimethylnicotinimidamide4-hydroxy-3-methoxy-5-nitrobenzoyl chloride4-(3-(2,5-dichloro-4,6-dimethylpyridin-3-yl)-1,2,4-oxadiazol-5-yl)-2-methoxy-6-nitrophenol
