a heterocyclic ring or compound.
| 单词 | θ70397 | 
| 释义 | the world > matter > chemistry > organic chemistry > 			[noun]		 > organic structure > cyclic or ring compounds > heterocyclic (2)		 heterocycle1909 a heterocyclic ring or compound. heterocyclic1956 A heterocyclic compound. | 
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