3-Bromo-4-(difluoromethyl)-6-hydroxypyridine-2-carbonyl chloride
3-Bromo-4-(difluoromethyl)-2-hydroxypyridine-5-carbonyl chloride
2-Bromo-3-(difluoromethyl)-6-methoxy-5-(trifluoromethyl)pyridine
3-Bromo-2-(difluoromethyl)-6-hydroxypyridine-4-carbonyl chloride