上游原料
2-Pyridinamine; 2-Pyridinylamine; 2-Aminopyridine2,5-Dichlorothiophene2,5-Dichloro-3-thiophenesulfonyl chloride; 2,5-Dichlorothiophene-3-sulphonyl chloride2,5-Dichloro-N-methyl-3-thiophenesulfonamide5-Chloro-3-[(methylamino)sulfonyl]-2-thiophenecarboxylic acidmethyl 5-chloro-3-[(methylamino)sulfonyl]-2-thiophenecarboxylatemethyl 2-iodoacetatemethyl 5-chloro-3-[[(2-methoxy-2-oxoethyl)(methyl)amino]sulfonyl]-2-thiophenecarboxylatemethyl 6-chloro-4-hydroxy-2-methyl-1,1-dioxo-1,2-dihydro-2H-thieno[2,3-e][1,2]thiazine-3-carboxylate
