Wiktionary
desoxypipradrol
n. (context chemistry English) 2-diphenylmethylpiperidine, a psychoactive drug and research chemical of the piperidine class.
Wikipedia
Desoxypipradrol
Desoxypipradrol, also known as 2-diphenylmethylpiperidine (2-DPMP), acts as a norepinephrine-dopamine reuptake inhibitor (NDRI) developed by Ciba in the 1950s.