abstract |
Formula (I) Embedded image (Wherein ring A and ring B are (1) a monocyclic unsaturated heterocyclic ring in which ring A may be substituted, and monocyclic unsaturated heterocyclic ring in which ring B may be substituted, It is an optionally substituted bicyclic fused unsaturated hetero ring, or an optionally substituted benzene ring, or (2) ring A is an optionally substituted benzene ring, and ring B is substituted An optionally substituted monocyclic unsaturated heterocyclic ring, an optionally substituted bicyclic fused unsaturated heterocyclic ring, or an optionally substituted benzene ring, or (3) ring A is substituted A bicyclic fused unsaturated heterocyclic ring, wherein both the —NR— group and the —CH 2 — group are bonded to the same ring of the bicyclic fused unsaturated heterocyclic ring, and ring B is substituted. Monocyclic unsaturated heterocyclic ring which may be substituted, bicyclic fused unsaturated heterocyclic ring which may be substituted, or substituted It is a have benzene ring, R is a hydrogen atom, a lower alkyl group, a lower alkanoyl group or a lower alkoxycarbonyl group) Or a pharmaceutically acceptable salt thereof, or a prodrug thereof. |