5-HT2 agonist-1 (Compound 24) free base is a 5-HT2A & 5-HT2B & 5-HT2C agonist, with IC50s of 10 nM, 8.3, and 1.6 nM respectively. 5-HT2 agonist-1 free base can be used for research of depression, alcoholism, tobacco and cocaine addiction, inflammation, cluster headache, PTSD, seizure disorders and other CNS disorders[1].