metallacyclopentane
(dated) A portion worth twopence.
(organic chemistry) Any of a group of saturated organometallic heterocycles having four carbon atoms and one metal atom in the ring
Lack of development, or failure to develop.
(organic chemistry) Any bicyclic aromatic compound composed of a benzene ring fused to one of a pyrone
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DiQt（ディクト）
無料
★★★★★★★★★★
