Patent ID: 7160884
Filing Date: 2007-01-09
Classification: C07D

Abstract:
1. A compound of Formula I or a pharmaceutically acceptable salt thereof: wherein R is selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, neopentyl, tert-pentyl, 1-metylbutyl, 2-methylbutyl, 1,2-dimethylpropyl, n-hexyl, isohexyl, 1-methylpentyl, 2-methylpentyl, 3-methylpentyl, 1,1-dimethylbutyl, 1,2-dimethylbutyl, 2,2-dimethylbutyl, 1,3-dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1,1,2-trimethylpropyl, 1,2,2-trimethylbutyl, 1-ethyl-1-methylpropyl, 1-ethyl-2-methylpropyl, benzyl, 4-methoxybenzyl, phenyl, toluenyl, xylyl and cumenyl.