Trimethoxyamphetamine Trimethoxyamphetamine TMAs, also known as trimethoxyamphetamines, are a family of isomeric psychedelic hallucinogenic drugs. There exist six different TMAs that differ only in the position of the three methoxy groups: TMA, TMA-2, TMA-3, TMA-4, TMA-5, and TMA-6. The TMAs are analogs of the phenethylamine cactus alkaloid mescaline. The TMAs are substituted amphetamines, however, their action does not resemble that of the unsubstituted compound "amphetamine", which is a stimulant and not a psychedelic. It is reported that some TMA's elicit a range of emotions ranging from sadness to empathy and euphoria. TMA was first synthesized by Hey, in 1947. Synthesis data
Invasive species in Mexico and the Aquatic. Less affected ecosystems are Sarco Scrub, Misty, and Savannah, followed by Low Evergreen Forest (UNIBIO, s.a.). Today the threat has increased and incidences of invasive plants in Mexico is caused by two factors. Firstly, the increase of invasive plants is attributed to a parallel increase in disturbed areas in the country, caused by logging and a growing number of abandoned pastures. The second is the introduction of exotic species to the territory by human activity, either voluntarily or involuntarily. Of the exotic species in Mexico, only a small percentage becomes invasive, which occurs when the plant is