Patent ID: 8273750

Claim:
A compound of Formula III: wherein R 2 is H and R 3 and R 4 together form a tri- or tetra-methylene bridge; R 6 is phenylamino or benzylamino; R 10 is haloalkyl, phenyl, pyridyl, or thiadiazolyl; wherein phenyl is optionally substituted with C 1-4 alkyl, halogen, haloC 1-4 alkyl, hydroxy, C 1-4 carboxy or an additional aryl or heteroaryl; or pyridyl or thiadiazolyl is optionally substituted with C 1-4 alkyl, halogen, haloC 1-4 alkyl, hydroxy or C 1-4 carboxy; in free, salt or physiologically hydrolysable and acceptable ester prodrug form.