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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 pyr·azine /ˈpɪrəˌzɪn/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Pyr·a·zine n. Also -zin .  Org. Chem. A feebly basic solid, C4H4N2, obtained by distilling piperazine with zinc dust, and in other ways. Also, by extension, any of various derivatives of the same.
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