piperazine
/pi-per-uh-zeen, -zin, pahy-, pip-er-uh-/US // pɪˈpɛr əˌzin, -zɪn, paɪ-, ˈpɪp ər ə- //UK // (pɪˈpɛrəˌziːn, -zɪn) //
哌嗪,哌啶,哌嗪类,哌嗪类药物
Definitions
n.名词 noun
- 1
Chemistry.
- : Also called pip·er·az·i·dine [pip-uh-raz-i-deen, -din, pahy-puh-]. /ˌpɪp əˈræz ɪˌdin, -dɪn, ˌpaɪ pə-/. a colorless, crystalline, deliquescent ring compound, C4H10N2, prepared by the reaction of ethylene bromide or ethylene chloride with ammonia: used chiefly in veterinary medicine as an anthelmintic, and as an insecticide.
- : any derivative of this compound.
Examples
In fact, Urodonal is five times more active than piperazine, and thirty-seven times more active than lithia.
Add gradually ten ounces of piperazine, a pint of Harrogate water and inhale leisurely through a zoetrope.
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