3-Amino-2-(difluoromethyl)-4-fluoro-5-methoxypyridine
3-Amino-5-bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
5-Amino-4-bromo-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
5-Amino-4-cyano-3-(difluoromethyl)pyridine-2-acetic acid
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