Patent ID: 7112675

Claim:
A compound of the following formula: wherein: R 2 is hydrogen, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, substituted aryl, heterocyclo, substituted heterocyclo, aralkyl, substituted aralkyl, heterocycloalkyl or substituted heterocycloalkyl, or when X is halo, nitro or cyano R 2 is absent; R 3 is alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, aryl, substituted aryl, heterocyclo, substituted heterocyclo, aralkyl, substituted aralkyl, heterocycloalkyl or substituted heterocycloalkyl, or when Y is halo, nitro or cyano R 3 is absent; X and Y are independently O, OCO, S, SO SO 2 , CO, CO 2 , NR 10 , NR 11 CO, NR 12 CONR 13 , NR 14 CO 2 , NR 15 SO 2 , NR 16 SO 2 NR 17 , SO 2 NR 18 , CONR 19 , halogen, nitro, cyano, or X or Y are absent; and R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , and R 19 are independently selected from the group consisting of hydrogen, alkyl, substituted alkyl, aryl, substituted aryl, heterocyclo, and substituted heterocyclo.