2-Amino-4-bromo-6-(difluoromethyl)-3-methoxypyridine
4-Amino-5-cyano-3-(difluoromethyl)-2-methoxypyridine
2-Amino-6-bromo-4-(difluoromethyl)-3-methylpyridine
2-Amino-3-cyano-5-(difluoromethyl)-4-nitropyridine
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