BENZOTHIEPIN DERIVATIVES, THEIR PRODUCTION AND USE

摘要

Compounds represented by general formula (I) or salts thereof, which exhibit osteogenesis- and chondrogenesis-accelerating effects and are thus useful as drugs; and prodrugs of both: wherein A is an optionally substituted benzene ring; R1 is an optionally substituted nonaromatic heterocyclic group; R2 and R3 are each hydrogen or optionally substituted hydrocarbyl; and n is an integer of 0 to 3.