(1,1′-Biphenyl)-4-carboxylic acid, (3aR,4S,5R,6aS)-hexahydro-4-(hydroxymethyl)-2-oxo-2H-cyclopenta(b)furan-5-yl ester

It is mainly employed in antiviral therapy to inhibit viral replication, enhancing the delivery of the active drug into the body while reducing gastrointestinal degradation. The compound (1,1′-Biphenyl)-4-carboxylic acid, (3aR,4S,5R,6aS)-hexahydro-4-(hydroxymethyl)-2-oxo-2H-cyclopenta[b]furan-5-yl ester is the active pharmaceutical ingredient (API) in certain antiviral medications, specifically used as a prodrug form to improve oral bioavailability and stability.