Methyl 5-chloro-2-(difluoromethyl)-3-hydroxypyridine-4-carboxylate
6-(Difluoromethyl)-4-methoxy-3-methylpyridine-2-acetic acid
2-(Difluoromethyl)-4-methoxy-3-methylpyridine-6-acetic acid
4-(Difluoromethyl)-2-methoxy-5-methylpyridine-3-carbonyl chloride