4-Amino-5-chloro-3-(difluoromethyl)-2-fluoropyridine
2-Amino-3-chloro-5-(difluoromethyl)-4-iodopyridine
4-Amino-5-chloro-3-(difluoromethyl)-2-methoxypyridine
4-Amino-3-chloro-2-(difluoromethyl)-5-methoxypyridine
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