different between thiazole vs imidazothiazole

English

thiazole (plural thiazoles)

(organic chemistry) Any of a class of unsaturated heterocyclic compounds containing a ring of three carbon atoms, a sulphur and an nitrogen atom; especially the simplest one, C₃H₃SN

imidazothiazole (plural imidazothiazoles)

(organic chemistry) A bicyclic heterocycles consisting of an imidazole ring fused to a thiazole ring; any derivative of this compound, especially one that is any of a class of anthelmintics such as butamisole or levamisole

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