6-Amino-3-(difluoromethyl)-4-nitropyridine-2-acetic acid
2-Methyl-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Chloro-4-(difluoromethyl)-5-nitropyridine-2-acetic acid
5-Bromo-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
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