Which of the following compound does not contain sulfur atom?

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Canvas Classes · Accepted Answer

Histamine is a biologically active amine formed by the straightforward decarboxylation of the amino acid histidine. Its chemical structure strictly consists of an imidazole ring attached to an ethylamine chain, containing only carbon, hydrogen, and nitrogen. It lacks any sulfur. In contrast, cimetidine, ranitidine, and saccharin all prominently feature sulfur atoms.

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