5-(Chloromethyl)-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
4-(Difluoromethyl)-5-nitropyridine-2-sulfonamide
N'-((2-Hydroxynaphthalen-1-yl)methylene)isonicotinohydrazide
5-Nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carbonyl chloride