5-(Chloromethyl)-4-(difluoromethyl)-2-methoxypyridine-3-carboxylic acid
3-(Chloromethyl)-4-(difluoromethyl)-5-methoxypyridine-2-carboxylic acid
2,5-Bis(2,4-dichlorophenyl)nicotinic acid
3-(Chloromethyl)-2-(difluoromethyl)-6-methoxypyridine-5-carboxylic acid