niridazole
/nʌɪˈrɪdəzəʊl/ /nɪˈrɪdəzəʊl/Pharmacology
noun
An anthelmintic drug which has been used in the treatment of schistosomiasis (bilharzia) and is usually given orally; 1-(5-nitrothiazol-2-yl) imidazolidin-2-one, C6H6N4O3S.
Origin
1960s; earliest use found in The British Medical Journal. Apparently from ni- (in nitro-) + -r- (perhaps an arbitrary element) + -idazole, representing components of the molecular structure.