trifluoromethylphenylpiperazine

As an adjective medicinal

is medicinal.

As a noun trifluoromethylphenylpiperazine is

a particular piperazine-based drug, used recreationally but not medicinally.

As an adjective recreational

is used for recreation, for fun or pleasure.

As a noun trifluoromethylphenylpiperazine is

a particular piperazine-based drug, used recreationally but not medicinally.

As nouns the difference between drug and trifluoromethylphenylpiperazine

is that drug is (pharmacology) a substance used to treat an illness, relieve a symptom, or modify a chemical process in the body for a specific purpose or drug can be (obsolete) a drudge while trifluoromethylphenylpiperazine is a particular piperazine-based drug, used recreationally but not medicinally.

As a verb drug

is to administer intoxicating drugs to, generally without the recipient's knowledge or consent or drug can be (drag).

As nouns the difference between piperazine and trifluoromethylphenylpiperazine

is that piperazine is piperazine while trifluoromethylphenylpiperazine is a particular piperazine-based drug, used recreationally but not medicinally.