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单词 pyrazole
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pyr•a•zole  (pirə zōl′, -zôl′),USA pronunciation n. [Chem.]
  1. Chemistryany of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and two double bonds in the ring.
  2. Chemistrythe parent compound, C3H4N2.
  • pyr- + azole 1885–90

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