Piperazine is a hypernym of perphenazine.
As nouns the difference between piperazine and perphenazine
is that piperazine
is piperazine while perphenazine
is a potent anti-psychotic drug.
(organic compound, pharmaceutical drug, uncountable) A saturated heterocyclic compound, C4H10N2, containing two nitrogen atoms in a six-membered ring; it is used as an anthelmintic.
(organic chemistry, countable) Any derivative of this compound
A potent anti-psychotic drug.