- α-Methyltryptamine [αMT] (Indopan) – multiple serotonin receptor agonist, serotonin-norepinephrine-dopamine releasing agent (SNDRA), and weak RIMA
- Etryptamine [α-Ethyltryptamine (αET)] (Monase) – multiple serotonin receptor agonist, SNDRA, and weak RIMA
- Oxaflozane (Conflictan) – 5-HT1A, 5-HT2A, and 5-HT2C receptor agonist