The story
From alpha- + pyrrolidino- + penti- + phenone.
Etymology from Wiktionary, CC BY-SA 4.0.
alpha-pyrrolidinopentiophenone
Today it means: A synthetic stimulant drug of the cathinone class, C₁₅H₂₁NO, that is reputed to produce potent but short-lived, hallucinogenic effects. Full definition →