abstract |
The present invention relates to compounds of Formula (XI) wherein R 1a , R 2a , R 3a , R 4a , R 5a , R 6a , and Aa are as defined herein, and pharmaceutically acceptable salts thereof. The compounds of the present invention are inhibitors of hematopoietic prostaglandin D synthase (H-PGDS) inhibitors and can be useful in the treatment of Duchenne Muscular Dystrophy. Accordingly, the invention is further directed to pharmaceutical compositions comprising a compound of the invention. The invention is still further directed to methods of inhibiting H-PGDS activity and treatment of disorders associated therewith using a compound of the invention or a pharmaceutical composition comprising a compound of the invention. |