fused ring compound [有化] 稠环化合物
fused ring carbon constitution 稠环碳架
fused ring aromatic hydrocarbons 稠环芳烃
fused-ring aromatic compounds 稠环芳烃
porphyrin bearing fused ring 环稠卟啉
fused aromatic ring 稠合芳族环 ; 稠环体系
aromatic fused ring 芳香稠环
fused ring compounds 稠环化合物
Cephalotaxine is one compound of five-fused ring structure.
三尖杉碱具有五元稠环结构。
Nitrogenous fused-ring derivatives, medicinal compositions containing the derivatives, and use thereof as drugs.
含氮稠环衍生物，含该衍生物的药物组合物，和其作为药物的用途。
In fused-ring and bridged-ring compounds two carbons are common to the two rings.
在稠环和桥环化合物中，两个碳原子是两个环公用的。
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