Pyridine series

2-cyclopropyl-[124]triazolo[15

3-amino-6-bromopyrazine-2-carb

3-amino-6-chloropyrazine-2-thi

35-dichloropyrazin-2-amine

6-bromo-2-methylthiazolo[54-b]

3-amino-6-bromopyrazine-2-thio

5-chloropyrazin-2-amine

methyl 6-chloropyridazine-3-ca

methyl 6-methoxypyridazine-3-c

6-isopropylpyridazin-3-amine

3-chloro-6-isopropylpyridazine

35-dichloropyridazine