| betazole | <chemical> 3-(beta-aminoethyl)pyrazole. A histamine h2 agonist used clinically to test gastric secretory function. Pharmacological action: gastrointestinal agents, histamine agonist. Chemical name: 1H-Pyrazole-3-ethanamine (12 Dec 1998) |
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| betazole hydrochloride | An analogue of histamine that stimulates gastric secretion with less tendency to produce the side effects seen with histamine; used, in place of histamine, to measure the gastric secretory response. (05 Mar 2000) |