Pyridine series

Pyridazine, 4-bromo-3,6-dichlo

Pyridazine, 3,6-dichloro-, 2-o

Pyridazine, 3-chloro-6-(chloro

Pyridazine, 3-(chloromethyl)-

Pyridazine, 3-iodo-6-methyl-

3(2H)-Pyridazinone, 6-hydroxy-

Pyridazine, 4-phenyl-

3(2H)-Pyridazinone, 6-chloro-4

3(2H)-Pyridazinone, 4-amino-

4-Cinnolinecarbonitrile

Phthalazine, 1-methoxy-

3-Pyridazinamine, 6-chloro-, 2