4-Amino-5-bromo-3-(bromomethyl)-2-(difluoromethyl)pyridine
3,4-Dichloro-2-nitro-5-(trifluoromethoxy)pyridine
4-(Aminomethyl)-6-(difluoromethyl)-2-hydroxypyridine-3-carboxylic acid
6-Amino-4-cyano-2-(difluoromethyl)pyridine-3-acetic acid
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