Patent ID: 7956188

Claim:
A compound of the general formula (1): wherein Ar is quinolinyl optionally substituted with one, two or three substituents independently selected from halo, C 1-4 alkyl, halo(C 1-4 )alkyl, aryl and heteroaryl; R 1 is methyl; R 2 is H or methyl; R 3 is tert-butyl, 1,1,1-trifluoro-2-methylprop-2-yl, 2-cyanoprop-2-yl, 1-methoxy-2-methylprop-2-yl, 1-methylthio-2-methylprop-2-yl, 1-methoxy-3-methylbut-3-yl, 2-cyano-1-methoxy-prop-2-yl, 2-methoxycarbonyl-prop-2-yl or 2-methylaminocarbonylprop-2-yl, 2-hydroxymethyl-1-methoxy-prop-2-yl or 1-methoxy-2-methoxymethyl-prop-2-yl, L is O or S; and n is 0, 1 or 2.