2-Bromo-4-(difluoromethyl)-6-methylpyridine-3-sulfonyl chloride
2-Bromo-4-(difluoromethyl)-5-methylpyridine-3-sulfonyl chloride
Methyl 6-bromo-3-(difluoromethyl)-4-hydroxypyridine-2-acetate
Methyl 2-bromo-5-(difluoromethyl)-3-hydroxypyridine-6-acetate