4-Bromo-2-fluoropyridine-5-sulfonyl chloride
3,6-Dibromo-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2,4,6-Tris(2,3,4-trichlorophenyl)pyridine
6-Amino-3-(difluoromethyl)-4-nitropyridine-2-acetic acid
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