2-(Aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-sulfonamide
2-(Aminomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 2-amino-4-(difluoromethyl)pyridine-5-carboxylate
5-Amino-2-(difluoromethyl)pyridine-4-carboxylic acid