Patent ID: 8778881

Claim:
A compound having the formula (I) (SEQ ID NO: 53): or a pharmaceutically acceptable salt thereof, wherein: Ar is an aryl group selected from aromatic carbocyclic ring systems, five-or six-membered heteroaromatic ring systems and bicyclic heteroaromatic ring systems; m is selected from 1, 2 and 3; n is selected from 0, 1, 2, 3 and 4; p is selected from 2, 3 and 4; R 1 , R 2 and R 3 are independently selected from H, OH, alkyl, O-alkyl and OC(O)-alkyl; alkyl is selected from C 1-6 straight and C 4-8 branched chain alkyl and optionally has at least one hydroxyl substituent; and when n=0, R 1 and R 2 optionally together form a nitrogen containing ring structure comprising from 2 to 5 carbon atoms; with the proviso that when Ar is phenyl, m=2, n=0, R 1 =R 2 =H, and p is 3 or 4, R 3 is not H.