Patent ID: 6963011

Claim:
A compound having the formula wherein: R 1 is H or CH 3 ; R 2 is H, halogen, —OR 7 or C 1-4 alkyl; R 3 is H, halogen, —OR 7 or —CN; R 4 is H, halogen, —OR 7 or C 1-4 alkyl; R 5 is H, C 1-8 alkyl, —C(═O)R 9 , —C(═O)OR 8 , —C(═O)N(R 6 )R 8 , —S(═O),R 9 , cyanoguanidino or C 1-4 acylguanidino; R 6 is independently at each instance, H or C 1-6 alkyl; R 7 is, independently at each instance, C 1-6 alkyl; R 8 is H, C 1-6 alkyl substituted by 0, 1 or 2 substituents selected from —OH and -NHR 6 or C 1-3 alkyl substituted by 1, 2, 3 or 4 halogen atoms; R 9 is, independently at each instance, C 1-6 alkyl substituted by 0, 1 or 2 substituents selected from —OH and —NHR 6 or C 1-3 alkyl substituted by 1, 2, 3 or 4 halogen atoms; n is 0, 1 or 2; and X 1 and X 2 are independently H, —CH 3 or halogen; or any pharmaceutically-acceptable salt thereof.