2-Amino-6-methoxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
Ethyl 4-amino-5-methyl-2-(trifluoromethoxy)pyridine-3-carboxylate
2-Amino-6-methoxy-3-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 4-amino-3-methyl-5-(trifluoromethoxy)pyridine-2-carboxylate