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2,4,5-trimethylaniline appears as white crystals or beige powder. (NTP, 1992) 2,4,5-Trimethylaniline is a substituted aniline. 2,4,5-Trimethylaniline and its strong acid salts can cause cancer according to an independent committee of scientific and health experts.

Aniline, 2,4,6-trimethyl- appears as a liquid. (EPA, 1998) 2,4,6-Trimethylaniline is a substituted aniline.

(R)-amphetamine is an enantiomer of amphetamine that is urinary metabolite from selegeline (drug used for the treatment of early-stage Parkinson's disease, depression and senile dementia). (R)-amphetamine as stereoisomer is not considered psychoactive and has little abuse potential. The stimulatory effect on locomotor activity and dopamine synthesis may be contributed to by the action of R-methamphetamine. If anyone is prescribed and takes selegiline, they can and will test positive for amphetamine/methamphetamine on most drug tests.

Dextroamphetamine is only found in individuals that have used or taken this drug. It is the dextrorotary stereoisomer of the amphetamine molecule, which can take two different forms. It is a slightly polar, weak base and is lipophilic. The exact mechanism of action is not known. Dextroamphetamine stimulates the release of norepinephrine from central adrenergic receptors. At higher dosages, it causes release of dopamine from the mesocorticolimbic system and the nigrostriatal dopamine systems by reversal of the monoamine transporters. Dextroamphetamine may also act as a direct agonist on central 5-HT receptors and may inhibit monoamine oxidase (MAO). In the periphery, amphetamines are believed to cause the release of noradrenaline by acting on the adrenergic nerve terminals and alpha- and beta-receptors. Modulation of serotonergic pathways may contribute to the calming affect.

3-Butylpyridine is found in sweet orange. 3-Butylpyridine is a maillard product.

3-(2-Methylpropyl)pyridine is a flavouring ingredient.

2-(2-Methylpropyl)pyridine is a flavouring ingredient.

iso-nLc8Cer, also known as Cumidine or 4-(1-Methylethyl)a0ine, is classified as a member of the Cumenes. Cumenes are aromatic compounds containing a prop-2-ylbenzene moiety. iso-nLc8Cer is considered to be slightly soluble (in water) and basic

3-phenylpropylamine is a phenylalkylamine that is benzene in which one of the hydrogens is substituted by a 3-aminopropyl group. It is a phenylalkylamine, a member of benzenes and a primary amino compound. It is a conjugate base of a 3-phenylpropylaminium.

N-isopropylaniline is a clear brown liquid. (NTP, 1992)

N,n-dimethyl-p-toluidine appears as a clear colorless liquid with an aromatic odor. Density 0.937 g / cm3 (Lancaster) and insoluble in water. Hence floats on water. Toxic by skin absorption and inhalation. May release toxic vapors when burned. N,N-Dimethyl-p-toluidine can cause cancer according to The National Toxicology Program.

Benzyldimethylamine appears as a colorless to light yellow liquid with an aromatic odor. Slightly less dense than water and slightly soluble in water. Corrosive to skin, eyes and mucous membranes. Slightly toxic by ingestion, skin absorption and inhalation. Used in the manufacture of adhesives and other chemicals. N,N-Dimethylbenzylamine is an aromatic amine.

N,n-dimethyl-3-methylaniline is a member of the class of compounds known as aminotoluenes. Aminotoluenes are organic aromatic compounds containing a benzene that carries a single methyl group and one amino group. N,n-dimethyl-3-methylaniline is slightly soluble (in water) and a very strong basic compound (based on its pKa). N,n-dimethyl-3-methylaniline can be found in sweet orange, which makes n,n-dimethyl-3-methylaniline a potential biomarker for the consumption of this food product.

N-methylphenethylamine, also known as N-methylphenethylamine hydrochloride or N-methylphenethylamine, conjugate acid, is a member of the class of compounds known as phenethylamines. Phenethylamines are compounds containing a phenethylamine moiety, which consists of a phenyl group substituted at the second position by an ethan-1-amine. N-methylphenethylamine is slightly soluble (in water) and a very strong basic compound (based on its pKa). N-methylphenethylamine can be found in a number of food items such as apple, white cabbage, carrot, and cabbage, which makes N-methylphenethylamine a potential biomarker for the consumption of these food products. N-Methylphenethylamine (NMPEA) is a naturally occurring trace amine neuromodulator in humans that is derived from the trace amine, phenethylamine (PEA). It has been detected in human urine (<1 μg over 24 hours) and is produced by phenylethanolamine N-methyltransferase with phenethylamine as a substrate. PEA and NMPEA are both alkaloids that are found in a number of different plant species as well. Some Acacia species, such as A. rigidula, contain remarkably high levels of NMPEA (~2300–5300 ppm). NMPEA is also present at low concentrations (< 10 ppm) in a wide range of foodstuffs .

2-methyl-6-ethyl aniline appears as a clear liquid with a pungent odor. Water insoluble and less dense than water. Hence floats on water. (USCG, 1999)