Patent ID: 7579488

Claim:
A compound represented by a formula below: wherein R and R′ are independently C 1 -C 5 alkyl, or together R and R′ form a saturated carbocyclic ring having from 3 to 8 carbon atoms; RP 3 is hydrogen or C 1 -C 5 alkyl; (L P2 ) is where m is 0, 1, or 2, Z P is a branched C 3 -C 5 alkyl; Z FB is attached to the 5 or 6 position on the benzofuranyl ring and selected from: —CO 2 H —CO 2 (C 1 -C 5 alkyl), —C(O)NMe 2 , —CO 2 (C 1 -C 5 alkyl)-NH 2 , —C(O)NH—CH 2 —C(O)OH, —C(O)NH—CH 2 —C(O)OMe, —C(O)NH—CH 2 —C(O)OEt, —C(O)NH—CH 2 —C(O)OiPr, —C(O)NH—CH 2 —C(O)OtBu, —C(O)NH—CH(Me)-C(O)OH, —C(O)NH—CH(Me)-C(O)OMe, —C(O)NH—CH(Me)-C(O)OEt, —C(O)NH—CH(Me)-C(O)iPr, —C(O)NH—CH(Me)-C(O)tBu, —C(O)NH—CH(Et)-C(O)OH, —C(O)NH—C(Me) 2 -C(O)OH, —C(O)NH—C(Me) 2 -C(O)OMe, —C(O)NH—C(Me) 2 -C(O)OEt, —C(O)NH—C(Me) 2 -C(O)iPr, —C(O)NH—C(Me) 2 -C(O)tBu, —C(O)NH-CMe(Et)-C(O)OH, —C(O)NMe-CH 2 —C(O)OH, —C(O)NMe-CH 2 —C(O)OMe, —C(O)NMe-CH 2 —C(O)OEt, —C(O)NMe-CH 2 —C(O)OiPr, —C(O)NMe-CH 2 —C(O)tBu, —C(O)NMe-CH(Me)-C(O)OH, C(O)—NH-5-tetrazolyl, —O—SO 2 —C 1 -C 5 alkyl), —SO 2 (C 1 -C 5 alkyl), CH 2 S(O) 2 Me, CH 2 S(O) 2 Et, and CH 2 S(O) 2 iPr, and a pharmaceutically acceptable salt thereof.