4-FPM

Seems to be a substance, that was just made to get money. High doses needed to feel any effects. Would avoid....

4-FPP

A piperazine derivative that has been reported to have mild pyschedelic effects, and also empathogen qualities. It has b...

4-Fluorobutyrfentanyl

pfbf, 4-fluorobutyrfentanyl, 4-fbf

Rare, little known and extremely potent RC analogue of Fentanyl. This powerful opioid is generally only dispensed as a n...

4-Fluoroethylphenidate

4f-eph, 4-feph

A more potent and longer lasting analogue of Ethylphenidate....

4-Fluoromethylphenidate

4f-mph, 4-fmph, 4fmph +2 more

A relatively uncommon, more serotonergic RC derivative of methylphenidate. A dopamine reuptake inhibitor possessing simi...

4-Fluoropentedrone

4-fpd, 4-f-pentedrone, 4f-pentedrone

An obscure analogue of pentedrone, little information exists about this cathinone. It is likely that it has the same gen...

4-HO-DET

4hodet, 4-hydroxy-det

A rare compound first produced by Albert Hoffman, also known as ethocin. Structurally related to 4-HO-MET (metocin) and ...

4-HO-DPT

4hodpt, 4-hydroxy-n, n-dipropyltryptamine

A psychedelic hallucinogenic first synthesized by alexander shulgin. At light doses it causes enhanced cognition and app...

4-HO-DiPT

iprocin

A psychedelic tryptamine also known as iprocin. A homologue of psilocin, this drug likely has similar effects to psyched...

4-HO-EPT

The 4-Hydroxy version of EPT. Slightly more potent than the prior....

4-HO-MCPT

Novel synthetic tryptamine that is the cyclopropyl homologue of Psilocin. Not much is known about anything....

4-HO-MET

4homet, homet, metocin +1 more

A lesser known psychedelic tryptamine. Functional analogue of Psilocin. Very poorly soluble in water and alcohol....

4-HO-MPMI

lucigenol

A rare tryptamine derivative first synthesised by David Nichols. This drug, also known as lucigenol, has rarely been doc...

4-HO-MPT

4hompt

Psychedelic drug of the tryptamine class. Higher homologue of Psilocin, and is the 4-hydroxy analogue of N-Methyl-N-Prop...

4-HO-MiPT

4homipt, homipt, ho-mipt +2 more

A reasonably popular tryptamine deriviative and Psilocin analogue, first synthesised by Alexander Shulgin. It has been r...

4-MEC

4-Methylethcathinone, 4mec, 4-methylethcathinone

A substituted cathinone stimulant; little is known about its safety or subjective effects. It is believed to have simila...

4-METHYLAMINOREX

A very potent stimulant that has quite a long duration of action at around 16 hours....

4-MPD

Stimulant of the cathinone class. Higher homologue of Mephedrone, and the p-Methyl analogue of Pentedrone....

4-MPM

4-mpm, 4-methylphenmetrazine

4-Methylphenmetrazine is an empathogen of the phenylmorpholine class that seems to have a very rapid tolerance build up....

4-MTA

4-methylthioamphetamine

Empathogen with very low chronic toxicity but high risk of acute harm due to mixed serotonin release and MAOI action. Re...

4-MeO-Butyrfentanyl

4-meo-bf

Rare and basically unknown opioid and fentanyl analogue (not to be confused with Butyrfentanyl). Virtually no reliable i...

4-MeO-MiPT

A rare psychedelic tryptamine first synthesised by Alexander Shulgin, said to the be "little brother" of 5-MeO-MiPT. Sai...

4-MeO-PCP

4meopcp

An arylcyclohexamine dissociative anaesthetic related to PCP. First discovered in the 1960s by Parke-Davis, it was intro...

4-Methylmethylphenidate

4-mmph, 4-me-tmp, 4-metmp

A stimulant drug related to methylphenidate and also known as 4-Me-TMP, it has demonstrated lower dopamine reuptake inhi...