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From Biology-Online Dictionary | Biology-Online Dictionary
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(Science: chemical) An antagonist of histamine that appears to block both h2 and h3 histamine receptors. It has been used in the treatment of ulcers.

Pharmacological action: anti-ulcer agents, histamine h2 antagonists.

chemical name: thiourea, N-(4-(1H-imidazol-4-yl)butyl)-N'-methyl-