5-apb with the formal name of 5-(2-aminopropyl)benzofuran and a systematic name of 1-(1-Benzofuran-5-yl)-2-propanamine is known as a triple monomine reuptake inhibitor that is a strong agonist for the 5-HT2B receptor. The research compound is often found as hydrochloride salt and succinate and is often classified as a RC.