Methyl 6-bromo-3-(difluoromethyl)-2-methylpyridine-4-acetate
Methyl 2-bromo-5-(difluoromethyl)-4-methylpyridine-3-acetate
Methyl 2-bromo-5-(difluoromethyl)-3-methylpyridine-4-acetate
Methyl 2-bromo-4-(difluoromethyl)-6-methylpyridine-3-acetate
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