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Pyridazines
Six-membered rings with two adjacent nitrogen atoms also called 1,2-diazine.
Cilazapril
One of the ANGIOTENSIN-CONVERTING ENZYME INHIBITORS (ACE inhibitors) used for hypertension. It is a prodrug that is hydrolyzed after absorption to its main metabolite cilazaprilat.
Year introduced: 1993 (1984)
Sulfachlorpyridazine
A sulfonamide antimicrobial used for urinary tract infections and in veterinary medicine.
Year introduced: 1991(1975)
Maleic Hydrazide
1,2-Dihydro-3,6-pyridazinedione. A herbicide and plant growth regulator; also used to control suckering of tobacco. Its residue in food and tobacco is highly toxic, causing CNS disturbances and liver damage.
Year introduced: 1991(1977)
Luminol
5-Amino-2,3-dihydro-1,4-phthalazinedione. Substance that emits light on oxidation. It is used in chemical determinations.
Dihydralazine
1,4-Dihydrazinophthalazine. An antihypertensive agent with actions and uses similar to those of HYDRALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p354)
Year introduced: 1991(1976)
Cinoxacin
Synthetic antimicrobial related to OXOLINIC ACID and NALIDIXIC ACID and used in URINARY TRACT INFECTIONS.
Year introduced: 1991(1980)