Novel salts of 6-heterocyclyl substituted hexahydrophenanthridine derivatives

摘要

Disclosed is a hydrate form of the PDE4 inhibitor (2R,4aR,10bR)-6-(2,6-dimethoxypyridin-3-yl)-9-ethoxy-8-methoxy-1,2,3,4,4a,10b-hexahydro-phenanthridin-2-ol hydrochloride salt. The hydrate is useful in preparing pharmaceutical compositions for the treatment of diabetes mellitus, psoriasis or atopic eczema.