2-Amino-6-methoxy-5-(trifluoromethoxy)pyridine-3-acetic acid
5-Amino-3-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
6-Amino-3-bromo-2-chloro-4-(trifluoromethoxy)pyridine
2-Amino-6-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
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