| abstract |
Compounds of formula I, wherein R' represents CM alkoxy optionally substituted by one or more fluorine atoms; R: represents H or C16 alkoxy optionally substituted by one or more fluorine atoms; R' represents a 5- or 6-membered heterocyclic ring, the ring being optionally substituted; Ra represents a 4-, 5-, 6-, or 7-membered heterocyclic ring, the ring being optionally fused to a benzene ring or a 5- or 6-membered heterocyclic ring, the ring system as a whole being optionally substituted; X represents CH or N; and L is absent. or represents a cyclic group of formula la, and pharmaceutically acceptable salts thereof; are useful in therapy, in particular in the treatment of benign prostatic hyperplasia. |