py·ran 
(pīrăn′)
(pīrăn′)n.
Either of two isomeric unsaturated compounds with the formula C5H6O, having a ring of five carbon atoms and one oxygen atom.
[pyrone, heterocyclic compound (PYR(O)- + -ONE) + -AN2.]
| 单词 | pyran |
| 释义 | py·ran (pīrăn′)n. Either of two isomeric unsaturated compounds with the formula C5H6O, having a ring of five carbon atoms and one oxygen atom. [pyrone, heterocyclic compound (PYR(O)- + -ONE) + -AN2.] |
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