Patent ID: 7208505

Claim:
A compound of the formula: wherein: m is 0 or 1; Het is selected from furan; isoxazole; oxazole; tetrazole and thiophene; wherein said Het moieties are optionally substituted once with methyl, cyano, SO 2 NH 2 or COCH 3 ; R 7 is H, CO 2 H; CH 2 CH 2 R 11 ; thienyl substituted once with CO 2 H; phenyl substituted once with CO 2 H; OCH 2 CONHSO 2 (C 1 –C 4 alkyl); OCH 2 CH 2 NHSO 2 (C 1 –C 4 alkyl); OCH 2 CN; OCH 2 CO 2 R 17 ; OCH 2 CONR 18 R 18 ; O(pyridine) wherein said pyridine moieity is substituted once with cyano or CO 2 H; OCH 2 (tetrazole); OCH 2 (4,5-dihydrothiazole); or NHSO 2 R 10 ; R 10 is C 1 –C 4 alkyl or phenyl; R 11 is CO 2 R 16 ; CONR 16 R 16 ; 1,2,3,4-tetrazole; or phenyl substituted once with SO 2 NR 22 R 22 ; R 16 , R 17 , R 18 and R 22 are independently H or C 1 –C 4 alkyl at each occurrence; and R 19 and R 20 are independently H or methyl at each occurrence; or a pharmaceutical salt thereof.