Patent ID: 6939877

Claim:
A compound of Formula I: wherein R 1 , R 2 and R 3 are, independently, hydrogen, hydroxy, halo, cyano, carboxamido, carboalkoxy of two to six carbon atoms, trifluoromethyl, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, alkanoyl of 2 to 6 carbon atoms, alkanoyloxy of 2 to 6 carbon atoms, amino, mono- or di-alkylamino in which each alkyl group has 1 to 6 carbon atoms, alkanamido of 2 to 6 carbon atoms, alkanesulfonyl of 1 to 6 carbon atoms or alkanesulfonamido of 1 to 6 carbon atoms; —N═C(R 4 )—C(R 6 )═CH—; R 4 is independently, hydrogen, halo, amino, mono- or di-alkylamino in which each alkyl group has 1 to 6 carbon atoms or alkyl of 1 to 6 carbon atoms; the dotted line represents an optional double bond; Z is oxygen or sulfur; Q is carbon or nitrogen; and n is 0 or 1; or a pharmaceutically acceptable salt thereof.