4-ACO-DMT or O-Acetylpsilocin, 4-high-temperature-DMT, or Psilacetin: psychedelic tryptamine. 4-AcO- DMT – acetylated form of psilocybin fungi alkaloid psilocin and lower homologue 4-AcO-DET,
4-AcO-MIPT and 4-AcO-DIPT. chemical as an alternative to psilocybin for pharmacological studies