Meta Chemists Who first synthesized what, and who is credited over whom. General Start here — what this site is, how to read it, and open discussion. Project How the site is built, measured, and paid for — plus development updates. News One dated story per official action — scheduling moves and policy changes, tied to their documents. Legal Terms, disclaimers, image licensing, and what this site will not do. Links The instruments this site leans on, the allies it points at, and other places worth your time — one page per link, with screen grabs. Subjects Opioids Anything acting at the μ/κ/δ opioid receptors — natural, semi-synthetic and fully synthetic. Depressants Sedative-hypnotics. Mostly GABAergic, and the class where cross-tolerance and additive respiratory depression kill. Dissociatives NMDA antagonism and dissociative anaesthesia. Psychedelics Classical serotonergic psychedelics — 5-HT2A agonists. Salvia is NOT here: it has no 5-HT2A activity. Entactogens Empathogens. Serotonin releasers — mechanistically distinct from both stimulants and psychedelics. Stimulants CNS activation — dopaminergic and noradrenergic. Cannabinoids CB1/CB2 ligands — plant, endogenous and synthetic. Antidepressants Chronic-dosing mood agents. Listed for interaction safety — serotonin syndrome lives here. Antipsychotics Dopamine antagonists and partial agonists. Deliriants Antimuscarinic delirium — true hallucination, not psychedelia. Nootropics Cognitive enhancement, of varying evidence quality. Anabolics & Hormones Performance, physique and metabolic agents. Misc Genuinely unclassified, or too new to place. Should stay small — if it grows, a family is missing. 7 sections Atypical Substances whose mechanism has no populated neighbours. A real home, not a junk drawer — each family here is mechanistically distinct. Other Pharmaceuticals Medical agents without a primary recreational class, kept so interactions and tapers have somewhere to live. 4 days ago Ethylbromazolam › Experiences WARNING This is the only RC benzo where it has left me and multiple other people I know and people on Reddit with extreme withdrawal symptoms after 3 days - 7 days. DO NOT use… Nobody · Precursor Something is broken A page, a control, or a number that is wrong. I want something A missing feature, or a thing that should exist. 
