| 摘要 |
<p>It is intended to provide a bicyclic .gamma.-amino acid derivative having excellent activity as an .alpha.2.delta. ligand. The present invention provides a compound represented by the general formula (I): (see formula I) wherein R1, R2, R2 R4, R5, R6, R7, R8, and R8' are a hydrogen atom or the like; and R3 is a hydrogen atom, a halogen atom, a C1-C6 alkyl group, or the like.</p> |
