1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine

initialism: MPTP
https://doi.org/10.1351/goldbook.11871
Synthetic substance causing parkinsonism.
Note: Originally a toxic by-product in the illicit manufacture of the synthetic opioid meperidine, thus with neurotoxicity first detected in drug abusers, it is used as a model substance for studying the pathogenesis of parkinsonism.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 881 [Terms] [Paper]