Pyridine series

4-aminopyrrolo[2,3-d]pyrimidin

4-aminopyrrolo[2,3-d]pyrimidin

5-bromo-2-methoxynicotinic aci

5-bromo-2-hydroxynicotinic aci

2-bromo-6-hydrazinopyridine

2-chloro-6-hydrazinopyridine

Methyl

N-Methyl-4-chloropyridine-2-ca

4-amino-2,6-dichloropyridine