Patent ID: 8268531

Claim:
A compound of formula II: wherein R 0 is alkyl, cycloalkyl, heterocycle, aryl, or heteroaryl, optionally substituted with one to about five substituents; R 1 and R 2 are each independently H, alkyl, cycloalkyl, heterocycle, aryl, or heteroaryl; G 1 is H, halo, hydroxy, nitro, cyano, trifluoromethyl, or trifluoromethoxy; each G 2 is independently alkyl, cycloalkyl, heterocycle, aryl, heteroaryl, halo, alkoxy, acyl, alkoxycarbonyl, alkoxyacyl, acyloxy, trifluoromethyl, trifluoromethoxy, hydroxy, cyano, carboxy, nitro, or —N(R 2 ) 2 wherein each R 2 is independently H, alkyl, aryl, acyl, or aroyl; n is 0, 1, 2, 3, or 4; and any alkyl, cycloalkyl, heterocycle, aryl, or heteroaryl is optionally substituted with one to five halo, (C 1 -C 6 )alkyl, alkoxy, acyl, alkoxyacyl, acyloxy, trifluoromethyl, trifluoromethoxy, hydroxy, cyano, carboxy, nitro, —N(R 2 ) 2 , or oxo groups; provided that if G 1 is ortho-nitro, G 2 is neither ortho-nitro, ortho-trifluoromethyl, nor ortho-cyano.