Patent ID: 6992101

Claim:
A compound of formula (I) and the pharmaceutically acceptable salts of said compounds, wherein: R′ is wherein R represents from 1–3 substituents independently selected from the group consisting of hydrogen; amino; cyano; nitro; halogen; —(C 1 –C 6 )alkyl; and —(C 1 –C 6 ) alkoxy, wherein said —(C 1 –C 6 )alkyl group and said —(C 1 –C 6 )alkoxy group are each optionally substituted with from 1–6 fluorine atoms; R″ is wherein n represents an integer from 1–3; or (ii) —CHR a SO 2 (C 1 –C 6 )alkyl, wherein R a is hydrogen or —(C 1 –C 6 )alkyl; R′″ is hydrogen or —(C 1 –C 6 )alkyl; and Z is oxygen or sulfur.