Heterocycles have been passed over in large part by chemists confronted with synthetic problems.

杂环化合物常被许多从事合成研究的化学家所忽视.

辞典例句

The recent advances in synthesis of condensed heterocycles polymeric andpolymeric supports were reviewed.

综述了近几年稠杂环化合物的固相和液相合成研究进展.

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