ピリダジンMeanings1nounpyridazinechemistryA heterocyclic organic compound with the formula C4H4N2; used in organic chemistry and pharmaceutical research.ピリダジンは複ふく素そ環かん式しき化か合ごう物ぶつの一いっ種しゅです。Pyridazine is a type of heterocyclic compound.