Patent ID: 8865894

Claim:
A compound of Formula (I) wherein, R 1 is wherein R 1a is H or —CH 3 or R 1 is wherein D is deuterium; R 2 is H; R 3 is H; R 4 is H, and R 5 is —CH 3 or —CH 2 OH; or R 4 is —CH 2 OH, and R 5 is H; or R 2 is —CH 3 , —CH 2 OH, —CH 2 OCH 3 , —CH 2 CH 2 OH or —CH 2 OC(O)H; R 3 is H; R 4 is —CH 3 , —CH 2 OH, —CH 2 CH 2 OH, —CH 2 CH(OH)CH 3 or —CH 2 C(OH)(CH 3 ) 2 and R 5 is H, or R 4 is H, and R 5 is —CH 3 , —CH 2 OH, —CH 2 CH(OH)CH 3 or —CH 2 C(OH)(CH 3 ) 2 , or R 4 is H or —CH 3 and R 5 is H or —CH 3 ; or R 3 is H; R 4 is H; R 2 and R 5 are joined and form —(CH 2 ) 4 —; or R 4 is H; R 5 is H; and R 2 is —CH 2 OH, and R 3 is —CH 3 ; or R 2 is H or —CH 3 , and R 3 is —CH 2 OH; or R 2 is H; R 4 is H; and R 3 and R 5 are joined and form the group or the group or R 3 is H; R 5 is H; and R 2 and R 4 are joined and form the group or a pharmaceutically acceptable salt thereof.