3-Amino-5-(difluoromethyl)-2-fluoropyridine-4-carboxaldehyde
3,6-Dibromo-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Fluoromethyl)-6-methyl-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-(Bromomethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetic acid