pyrazoline

/pi-raz-uh-leen, -lin, pahy-/US // pɪˈræz əˌlin, -lɪn, paɪ- //

吡唑啉,吡唑林,吡嗪酮

Definitions

n.名词 noun

1
Chemistry.
- : any of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and one double bond in the ring.
- : the parent compound, C3H6N2.