Pentylone
Pentylone ‐2‐ is a stimulant developed in the 1960s. It is a substituted cathinone. It has been identified in some samples of powders sold as "NRG-1", along with varying blends of other cathinone derivatives including flephedrone, MDPBP, MDPV and 4-MePPP.
It was also found in combination with 4-MePPP being sold as "NRG-3". Reports indicate side effects include feelings of paranoia, agitation and inability to sleep, with effects lasting for several days at high doses.Pharmacology
Pentylone acts as a serotonin-norepinephrine-dopamine reuptake inhibitor and a serotonin releasing agent.Legality
Pentylone is banned in Canada, Germany, Sweden and also in the United States and in the UK.