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单词 narceine
释义

narceine

enUK

narceine

(ˈnɑːsiːn) or

narceen

n (Chemistry) a narcotic alkaloid that occurs in opium. Formula: C23H27O8N[C19: via French from Greek narkē numbness]

narceine

enUK

narceine

[′när·sē‚ēn] (organic chemistry) C23H27O8N·3H2O White, odorless crystals with bitter taste; soluble in alcohol and water, insoluble in ether; melts at 170°C; used in medicine.

narceine

enUK

nar·ce·ine

(nar'sē-ēn), An alkaloid of opium; ethylnarceine is a narcotic, analgesic, and antitussive.
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更新时间:2024/12/22 21:18:50