4-Amino-5-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
3,6-Diamino-2-(difluoromethyl)pyridine-5-carbonyl chloride
4-Cyano-3-(difluoromethyl)-2-methoxy-6-methylpyridine
6-Cyano-5-(difluoromethyl)picolinic acid
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