6-AB
6-AB, also known as 6-amino-6,7,8,9-tetrahydro-5H-benzocycloheptene, is a conformationally restricted analogue of amphetamine related to 2-aminoindane (2-AI) and 2-aminotetralin (2-AT). Unlike amphetamine, 2-AI, and 2-AT, 6-AB did not produce stimulant-type effects in animals.