单词 | pyrazoline |
释义 | pyrazoline /pi raz"euh leen', -lin, puy-/, n. Chem. 1. any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and one double bond in the ring. 2. the parent compound, C3H6N2. [1885-90; PYRAZOLE + -INE2] |
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