Substituted 2-aminoindane
A substituted 2-aminoindane is a derivative of 2-aminoindane (2-AI) with one or more chemical substituents. They are cyclized phenethylamines and are structurally related to amphetamines like amphetamine and MDMA. Many 2-aminoindanes are known to act as monoamine releasing agents and/or receptor modulators.
Source: Wikipedia — Substituted 2-aminoindane (CC BY-SA 4.0)