2-Cyano-6-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
6-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-2-acetic acid
2-Cyano-3-nitro-5-(trifluoromethoxy)pyridine-6-acetic acid
4-(Aminomethyl)-2-chloro-5-(trifluoromethoxy)pyridine-3-methanol
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