Pyridine series

4-ethoxy-2-nitrobenzoic acid

4-chloro-3,5-difluorobenzoic a

4-chloro-2-nitro-5-(trifluorom

4-bromo-3-isopropylbenzoic aci

4-bromo-3-fluoro-2-methylbenzo

4-bromo-3-fluoro-2-hydroxybenz

4-bromo-3-ethylbenzoic acid

4-bromo-2-hydroxybenzoic acid

4-bromo-2-formylbenzoic acid

4-bromo-2-fluoro-5-methoxybenz

4-bromo-2-chloro-5-fluorobenzo

4-bromo-2,3-dichlorobenzoic ac