(1R,3R)-9H-Pyrido[3,4-b]indole-3-carboxylic Acid, 1,2,3,4-Tetrahydro-1-(3,4-methylenedioxyphenyl), Methyl Ester, Hydrochloride, often referred to in simplified terms for ease of use, is a chemical compound recognized for its complex molecular structure and potential applications in medicinal chemistry. This compound combines a pyridoindole core with a tetrahydrofuran ring fused to a methylenedioxyphenyl group, featuring a methyl ester and hydrochloride salt form, offering significant opportunities for structural diversification and biological investigations.