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|Molar mass||349.478 g·mol−1|
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AL-LAD, also known as 6-allyl-6-nor-LSD, is a psychedelic drug and an analog of lysergic acid diethylamide (LSD).  It is described by Alexander Shulgin in the book TiHKAL (Tryptamines i Have Known And Loved). It is synthesized starting from nor-LSD as a precursor, using allyl bromide as a reactant.
While AL-LAD has subtly different effects than LSD, and appears to be slightly shorter lasting, their potencies are similar;   an active dose of AL-LAD is reported to be between 50 and 150 micrograms.  AL-LAD has a known but short and highly uncommon history of recreational human use, which originated in Ireland and the UK, but spread internationally.[ citation needed ]
AL-LAD does not cause a color change with the Marquis, Mecke or Mandelin reagents,  but does cause the Ehrlich's reagent to turn purple because of the presence of the indole moiety in its structure.
AL-LAD is not scheduled by the United Nations' Convention on Psychotropic Substances.
AL-LAD is illegal in Denmark. 
AL-LAD is possibly illegal in Latvia. Although it isn't specifically scheduled, it may be controlled as an LSD structural analog due to an amendment made on June 1, 2015. 
AL-LAD is illegal in Romania. It is not included directly in the list of controlled substances, but it is included in an analogue act
The Riksdag added AL-LAD to Narcotic Drugs Punishments Act under Swedish schedule I ("substances, plant materials and fungi which normally do not have medical use" ) as of January 26, 2016, published by Medical Products Agency (MPA) in regulation HSLF-FS 2015:35 listed as 6-allyl-6-nor-LSD, AL-LAD, and 6-allyl-N,N-dietyl-9,10-didehydroergolin-8-karboxamid. 
AL-LAD is illegal in Switzerland. 
AL-LAD is illegal in the UK. On June 10, 2014 the UK Advisory Council on the Misuse of Drugs (ACMD) recommended that AL-LAD be specifically named in the UK Misuse of Drugs Act as a class A drug despite not identifying any harm associated with its use.  The UK Home office accepted this advice and announced a ban of the substance to be enacted on 6 January 2015 as part of The Misuse of Drugs Act 1971 (Amendment) (No. 2) Order 2014.
AL-LAD is a Controlled Substance at the federal level in the United States,  AL-LAD is legally considered an analog of LSD, therefore, sales or possession with intent for human consumption could be prosecuted under the Federal Analogue Act. 
2,5-Dimethoxy-4-methylamphetamine is a psychedelic and a substituted amphetamine. It was first synthesized by Alexander Shulgin, and later reported in his book PiHKAL: A Chemical Love Story. DOM is classified as a Schedule I substance in the United States, and is similarly controlled in other parts of the world. Internationally, it is a Schedule I drug under the Convention on Psychotropic Substances. It is generally taken orally.
4-Hydroxy-N,N-diisopropyltryptamine is a synthetic psychedelic drug. It is a higher homologue of psilocin, 4-HO-DET, and is a positional isomer of 4-HO-DPT and has a tryptamine molecular sub-structure.
Diisopropyltryptamine is a psychedelic hallucinogenic drug of the tryptamine family that has a unique effect. While the majority of hallucinogens affect the visual sense, DiPT is primarily aural.
4-HO-DET, also known as 4-hydroxy-diethyl-tryptamine, CZ-74, is a hallucinogenic drug and psychedelic compound of moderate duration. 4-HO-DET is a substituted tryptamine, structurally related to psilocin, ethocybin, and 4-HO-DIPT.
Amides of lysergic acid are collectively known as lysergamides, and include a number of compounds with potent agonist and/or antagonist activity at various serotonin and dopamine receptors.
ALD-52, also known as 1-acetyl-LSD, is a chemical analogue of lysergic acid diethylamide (LSD). It was originally discovered by Albert Hofmann in 1957 but was not widely studied until the rise in popularity of psychedelics in the 1960s.
Lysergol is an alkaloid of the ergoline family that occurs as a minor constituent in some species of fungi, and in the morning glory family of plants (Convolvulaceae), including the hallucinogenic seeds of Rivea corymbosa (ololiuhqui), Argyreia nervosa and Ipomoea violacea. Lysergol is not a controlled substance in the USA. Its possession and sale is also legal under the U.S. Federal Analog Act because it does not have a known pharmacological action or a precursor relationship to LSD, which is a controlled substance. However, lysergol is an intermediate in the manufacture of some ergoloid medicines.
ETH-LAD, 6-ethyl-6-nor-lysergic acid diethylamide is an analogue of LSD. Its human psychopharmacology was first described by Alexander Shulgin in the book TiHKAL. ETH-LAD is a psychedelic drug similar to LSD, and is slightly more potent than LSD itself, with an active dose reported at between 20 and 150 micrograms. ETH-LAD has subtly different effects to LSD, described as less demanding.
PRO-LAD is an analogue of LSD. It is described by Alexander Shulgin in the book TiHKAL. PRO-LAD is a psychedelic drug similar to LSD, and is around as potent as LSD itself with an active dose reported at between 100 and 200 micrograms.
BU-LAD, also known as 6-butyl-6-nor-lysergic acid diethylamide, is an analogue of LSD first made by Alexander Shulgin and reported in the book TiHKAL. BU-LAD is a psychedelic drug similar to LSD, but is significantly less potent than LSD, with a dose of 500 micrograms producing only mild effects.
N-Morpholinyllysergamide (LSM-775) is a derivative of ergine. It is less potent than LSD but is reported to have some LSD-like effects at doses ranging from 75 to 700 micrograms and a shorter duration. There are fewer signs of cardiovascular stimulation and peripheral toxicity with LSM-775 compared to LSD.
N,N-Dimethyllysergamide or N,N-dimethyl-D-lysergamide (DAM-57) is a derivative of ergine. There has been a single report of observing N,N-dimethyl-D-lysergamide in the illicit drug market. This compound did induce autonomic disturbances at oral levels of some ten times the dosage required for LSD, presumably in the high hundreds of micrograms. There is some disagreement as to whether there were psychic changes observed.
4-Hydroxy-N-methyl-N-propyltryptamine, commonly known as 4-HO-MPT or meprocin, is a psychedelic drug in the tryptamine class of chemical compounds and is a higher homologue of the naturally occurring substituted tryptamine psilocin as well as being the 4-hydroxyl analog of MPT.
Lysergic acid 2,4-dimethylazetidide (LA-SS-Az, LSZ) is an analog of LSD developed by the team led by David E. Nichols at Purdue University. It was developed as a rigid analog of LSD with the diethylamide group constrained into an azetidine ring in order to map the binding site at the 5-HT2A receptor. There are three possible stereoisomers around the azetidine ring, with the (S,S)-(+) isomer being the most active, slightly more potent than LSD itself in drug discrimination tests using trained rats.
6-Isopropyl-6-nor-lysergic acid diethylamide (IP-LAD) is an analog of lysergic acid diethylamide (LSD) developed by the team of David E. Nichols. In studies on mice, it was found to be approximately 40% the potency of LSD, compared to the 60% increase in potency seen with ETH-LAD and roughly equivalent potency in AL-LAD and PRO-LAD.
1P-LSD or 1-propionyl-lysergic acid diethylamide is a psychedelic drug of the lysergamide class that is a derivative and functional analogue of LSD and a homologue of ALD-52. It has been sold online as a designer drug since 2015. It modifies the LSD molecule by adding a propionyl group to the nitrogen molecule of LSD's indole.
1P-ETH-LAD is an analog of LSD. 1P-ETH-LAD is a psychedelic drug similar to LSD. Research has shown formation of ETH-LAD from 1P-ETH-LAD incubated in human serum, suggesting that it functions as a prodrug. It is part of the lysergamide chemical class. Like ETH-LAD, this drug has been reported to be significantly more potent than LSD itself, and is reported to largely mimic ETH-LAD's psychedelic effects.
1cP-LSD is an acylated derivative of lysergic acid diethylamide (LSD), which has been sold as a designer drug. In tests on mice it was found to be an active psychedelic with similar potency to 1P-LSD.
1B-LSD is an acylated derivative of lysergic acid diethylamide (LSD), which has been sold as a designer drug. In tests on mice it was found to be an active psychedelic, though with only around 1/7 the potency of LSD itself.
1V-LSD or 1-valeryl-D-lysergic acid diethylamide is a psychotropic substance and a research chemical with psychedelic effects. 1V-LSD is an artificial derivative of natural lysergic acid, which occurs in ergot alkaloids, as well as being an analogue of LSD. 1V-LSD has been sold online until an amendment to the German NpSG was enforced in 2022 which controls 1P-LSD and now 1cP-LSD, 1V-LSD and several other lysergamides.