Pyridine series

4-Chloro-7-azaindole

3-Fluoro-4-hydroxypyridine

2-Chloro-5-hydroxy-3-methylpyr

3-Chloro-4-hydroxypyridine

6-ethoxynicotinic acid

2-amino-6-chloronicotinic acid

5-fluoro-6-methylpicolinaldehy

methyl 2-hydroxy-5-iodonicotin

methyl 2-chloro-5-iodonicotina

2-chloro-6-methoxynicotinic ac

6-bromopyridin-2(1H)-one

4-iodopyridin-3-ol