6-APDB
6-APDB, also known as 6-(2-aminopropyl)-2,3-dihydrobenzofuran or as 4-desoxy-MDA, is an entactogen of the phenethylamine, amphetamine, and dihydrobenzofuran families. It is an analogue of MDA where the heterocyclic 4-position oxygen from the 3,4-methylenedioxy ring has been replaced with a methylene bridge.