Patent ID: 6982279
Filing Date: 2006-01-03
Classification: A61K,A61P,C07D

Abstract:
1. A compound of the formula Ia or Ib, or a pharmaceutically acceptable salt thereof, in which: X is oxygen or sulfur; R(1) is C(O)OR(9), SO R(2) is hydrogen, alkyl having 1, 2, 3 or 4 carbon atoms or CF R(3) is C or R(3) is CHR(18)R(19); R(4) is hydrogen, alkyl having 1, 2, 3, 4, 5 or 6 carbon atoms or CF or R(3) and R(4) R(5), R(6) and R(7) R(30) and R(31) or R(30) and R(31)