5-(Difluoromethyl)-3-nitropyridine-2-acetic acid
2-(Difluoromethyl)-4-methoxypyridine-6-acetic acid
6-(Difluoromethyl)-3-methoxy-2-(trifluoromethyl)pyridine
2-(Difluoromethyl)-4-methoxy-6-(trifluoromethyl)pyridine
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