“protopine”的英英意思

单词	protopine
释义	ˈprotopine Chem. [f. proto- 3 c + opium + -ine5.] A white crystalline alkaloid, C20H19NO5, occurring in very small quantities in opium. 1894Muir & Morley Watts' Chem. Dict. IV. 345.

　

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