glycyrrhetinic acid derivatives for the treatment of hyperkalaemia

摘要

the present invention provides a compound of formula (1) or a salt thereof: (1) where x, l, v, r 1r '2r' 3 and r 4 are as defined herein. these compounds are 11-hydroxysteroid dehydrogenase type 2 (11-hsd -2) inhibitors and are used to treat hyperkalaemia.