4-(Chloromethyl)-2-cyano-3-(difluoromethyl)pyridine-6-acetic acid
4,5-Dihydroxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Hydroxy-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Ethyl 5-amino-3-bromopicolinate
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