pempidine
/ˈpɛmpɪdiːn/Pharmacology
noun
A liquid piperidine derivative, (CH3)5C5H5NH (1,2,2,6,6-pentamethylpiperidine), which has been used medicinally (usually in the form of its hydrogen tartrate, a white powder) as a ganglion-blocking agent to treat severe hypertension.
Origin
1950s; earliest use found in Nature: a weekly journal of science. From pe- (in penta-) + m- + pi- + -dine.