4-Fluoroamphetamine, also known as para-fluoroamphetamine (PFA) is a psychoactive research chemical of the phenethylamine and substituted amphetamine chemical classes. It produces stimulant and entactogenic effects. As a recreational drug, 4-FA is sometimes sold along with related compounds such as 2-fluoroamphetamine and 4-fluoromethamphetamine.
4-Methylaminorex is a stimulant drug of the 2-amino-5-aryloxazoline group that was first synthesized in 1960 by McNeil Laboratories. It is also known by its street name "U4Euh" ("Euphoria"). It is banned in many countries as a stimulant. 4-Methylaminorex has effects comparable to methamphetamine but with a longer duration.
Aminorex, sold under the brand names Menocil and Apiquel among others, is a weight loss (anorectic) stimulant drug. It was withdrawn from the market after it was found to cause pulmonary hypertension (PPH). In the United States, aminorex is a Schedule I controlled substance.
Propylamphetamine is a psychostimulant of the amphetamine family which was never marketed. It was first developed in the 1970s, mainly for research into the metabolism of, and as a comparison tool to, other amphetamines.
Naphthylaminopropane, also known as naphthylisopropylamine (NIPA), is an experimental drug that was under investigation for the treatment of alcohol and stimulant addiction.
MMDA-2 (2-methoxy-4,5-methylenedioxyamphetamine) is a psychedelic drug of the amphetamine class. It is closely related to MMDA and MDA.
5-Methyl-3,4-methylenedioxyamphetamine (5-Methyl-MDA) is an entactogen and psychedelic designer drug of the amphetamine class. It is a ring-methylated homologue of MDA and a structural isomer of MDMA.
5-(2-Aminopropyl)-2,3-dihydrobenzofuran is a putative entactogen drug of the phenethylamine and amphetamine classes. It is an analogue of MDA where the heterocyclic 3-position oxygen from the 3,4-methylenedioxy ring has been replaced by a methylene bridge. 6-APDB is an analogue of 5-APDB where the 4-position oxygen has been replaced by a methylene bridge instead. 5-APDB was developed by a team led by David E. Nichols at Purdue University as part of their research into non-neurotoxic analogues of MDMA.
SB-612,111 is an opioid receptor ligand which is a potent and selective antagonist for the nociceptin receptor (ORL-1), several times more potent than the older drug J-113,397. It does not have analgesic effects in its own right, but prevents the development of hyperalgesia, and also shows antidepressant effects in animal studies.
para-Chloroamphetamine (PCA), also known as 4-chloroamphetamine (4-CA), is a serotonin–norepinephrine–dopamine releasing agent (SNDRA) and serotonergic neurotoxin of the amphetamine family. It is used in scientific research in the study of the serotonin system, as a serotonin releasing agent (SRA) at lower doses to produce serotonergic effects, and as a serotonergic neurotoxin at higher doses to produce long-lasting depletions of serotonin.
MDAI, also known as 5,6-methylenedioxy-2-aminoindane, is an entactogen drug of the 2-aminoindane group which is related to MDMA and produces similar subjective effects.
3-Methoxy-4-methylamphetamine (MMA) is an entactogen and psychedelic drug of the phenethylamine and amphetamine classes. It was first synthesized in 1970 and was encountered as a street drug in Italy in the same decade. MMA was largely forgotten until being reassayed by David E. Nichols as a non-neurotoxic MDMA analogue in 1991, and has subsequently been sold as a designer drug on the internet since the late 2000s.
5-Iodo-2-aminoindane (5-IAI) is an entactogen drug of the 2-aminoindane group. Human anecdotal reports suggest that it is entactogenic but produces little euphoria or stimulation.
2-Aminoindane (2-AI) is an aminoindane and research chemical with applications in neurologic disorders and psychotherapy that has also been sold as a designer drug. It acts as a selective substrate for NET and DAT.
Arylcyclohexylamines, also known as arylcyclohexamines or arylcyclohexanamines, are a chemical class of pharmaceutical, designer, and experimental drugs.
2-Aminotetralin (2-AT), also known as 1,2,3,4-tetrahydronaphthalen-2-amine (THN), is a stimulant drug with a chemical structure consisting of a tetralin group combined with an amine.
2,5-Dimethoxy-4-fluoroamphetamine (DOF) is a psychedelic drug of the phenethylamine and amphetamine classes. Alexander Shulgin briefly describes DOF in his book PiHKAL:
Animal studies that have compared DOF to the highly potent DOI and DOB imply that the human activity will be some four to six times less than these two heavier halide analogues.
1-Phenylpiperazine is a simple chemical compound and drug featuring a phenyl group bound to a piperazine ring. The suffix ‘-piprazole’ is sometimes used in the names of drugs to indicate they belong to this class.
6-(2-Aminopropyl)tetralin (6-APT), also sometimes called tetralinylaminopropane (TAP), is a drug of the amphetamine class which acts as a selective serotonin releasing agent (SSRA). It has IC50 values of 121 nM, 6,436 nM, and 3,371 nM for inhibiting the reuptake of serotonin, dopamine, and norepinephrine, respectively. Though it possesses an appreciable in vitro profile, in animal drug discrimination studies it was not found to substitute for MMAI or amphetamine and to only partially substitute for MBDB. This parallels Alexander Shulgin's finding that EDMA (the 1,4-benzodioxine analogue of 6-APT) is inactive, and appears to indicate that the pharmacokinetics of both EDMA and 6-APT may not be favorable.
3,4-Ethylidenedioxyamphetamine (EIDA) is a substituted derivative of 3,4-methylenedioxyamphetamine (MDA), which was developed by David Nichols and coworkers, in the course of research to determine the bulk tolerance around the benzodioxole portion of the MDA molecule. EIDA was found to produce similar effects to MDA in animals but with less than half the potency, while the isopropylidenedioxy derivative did not substitute for MDA and instead had sedative and convulsant effects. This shows limited bulk tolerance at this position and makes it likely the activity of EIDA will reside primarily in one enantiomer, although only the racemic mix has been studied as yet.
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