4,4-DMAR

serotoni, 4,4-dmap

Very closely related stimulant to Aminorex and Pemoline. Was sold as a designer drug for quite awhile under the brand na...

4-Benzylpiperidine

4-pmpd

A dopamine releasing agent with weak serotonin releasing properties. Little evidence of human use. Potentially dangerous...

4-CBC

Is a potentially very neurotoxic Cathinone. Obviously no scientic reports have been noted on the neurotoxicity or cardio...

4-CMC

4cmc

(Note this work is going off just a few users inputs, so take all of this with a grain of salt) The cathinone analogue o...

4-EMC

4-ethylmethcathinone

A stimulant that is a structural isomer of 4-MEC....

4-EPD

4-ethylpentedrone

An obscure analogue of Pentedrone, which means very little information on this chemical. It is likely is shares the same...

4-FA

4-Fluoroamphetamine, 4fa, 4-fmp +1 more

An empathogen commonly used in place of MDMA, having a similar duration of empathogenic effects. This drug, however, has...

4-FEA

4-fluoroethylamphetamine

Stimulant that is the ethyl analogue of 4-FMA....

4-FMA

4-fluromethamphetamine, 4fma

A stimulant with some empathogenic properties, and analogue of Methamphetamine with similar effects. Reported to be less...

4-FMC

4-fluoromethcathinone, fpephedrone, flephedrone +1 more

A cathinone stimulant also known as flephedrone, appeared in 2008 marketed as a mephedrone replacement. With some mild e...

4-FPP

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

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-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-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...

4F-PHP

4-Fluoro analogue of a-PHP, yet seems to have less mania attachted to it. Dose is near on par....

4F-PVP

4f-a-pvp, pfpvp

Fluornated analogue of a-PVP. Seems to be slightly less weaker than it's parent compound....

5-APB

5apb

A triple monoamine reuptake inhibitor. This agonism for 5-HT2B makes it likely that 5-APB would be cardiotoxic with long...

5-APDB

An entactogenic amphetamine stimulant with similar structure and effects to MDMA. An analogue of MDA, it is a highly sel...

5-BPDI

An analogue of a-PHP, which has been described as having an extremely similar effect profile, with some users noting tha...