4-Cyano-2-(difluoromethyl)-3-methoxy-6-(trifluoromethyl)pyridine
Ethyl 2-cyano-4-(difluoromethyl)-6-hydroxypyridine-3-acetate
3-Cyano-5-(difluoromethyl)-6-hydroxypyridine-2-carbonyl chloride
2-Cyano-3-(difluoromethyl)-6-hydroxypyridine-4-carbonyl chloride