| 单词 | heterocyclic compound |
| 释义 | heterocyclic compound (once / 3939771 pages) n WORD FAMILY heterocyclic compound: heterocyclic compounds n a compound containing a heterocyclic ring Syn|Hypo|Hyper heterocycle, heterocyclic chelate, chelate compound a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions chemical compound, compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
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