Patent ID: 7528164

Claim:
A compound of formula I: wherein, R 1 is methyl, hydroxymethyl, or an ester of said hydroxymethyl; R 3 and R 4 are independently hydrogen, halo, haloalkyl, C 1-10 alkyl, alkenyl, alkynyl, hydroxyalkyl, aminoalkyl, carboxyalkyl, nitro, amino, cyano, acylamido, hydroxy, thiol, acyloxy, azido, alkoxy, carboxy, methylenedioxy, carbonylamido or alkylthiol; R 5 is hydrogen or C 1-10 alkyl; A is an optionally substituted phenyl or pyridyl, wherein said optional substituent is one or more of hydrogen, halo, haloalkyl, C 1-10 alkyl, alkenyl, alkynyl, hydroxyalkyl, aminoalkyl, carboxyalkyl, nitro, amino, cyano, acylamido, hydroxy, thiol, acyloxy, azido, alkoxy, carboxy, methylenedioxy, ethylenedioxy, carbonylamido or alkylthiol; D together with the rings to which it is fused is 4H-pyrrolo[2,3-h]chromene; Y is CN; and Z is NR 22 R 23 , wherein R 22 and R 23 are independently H or C 1-4 alkyl; or a pharmaceutically acceptable salt thereof.