Patent ID: 7875613

Claim:
A compound having a formula: wherein : is either a single or double bond, as appropriate ; is either none or a single bond, as appropriate; T, U, W, X are the same or different and are chosen from C or N; V is N; Y is N-OR1, NR′1, CR2R′2; R1 is H, Alkyl, Alkenyl, Alkoxyalkyl, Aryloxyalkyl, Arylalkyl, Alkoxycarbonylalkyl, Carboxyalkyl; R′1 is H, Alkyl, Aryl or Aralkyl; R2, R′2 are each the same or different and are independently selected from H, Alkyl, Aryl or Aralkyl; Rv is absent; Rw is either H or absent; Ru is absent or is chosen from the group consisting of H, CN, ═O, Hal, Alk, OAlk, OH, NRCN, C(CN)═C(OH)(OAlk), SR, NRR′, C(O)NRR′, Heterocycle, Aryl, Heteroaryl, Cycloalkyl, where Alk, Aryl, Heteroaryl, Heterocycle, Cycloalkyl are optionally substituted by Hal, NRR′, CN, OH, CF 3 , Aryl, Heteroaryl , OAlk; R3, R4, R5, R6 are each identical or different and are independently chosen from the group consisting of H, OAlk, Alk, Hal, NRR′, CN, OH, OCF 3 , CF 3 , Aryl, Heteroaryl; R and R′ are each identical or different and are independently chosen from the group consisting of H, Alk, wherein Alk is optionally substituted by Hal, NRR′, CN, OH, CF 3 , Aryl, Heteroaryl; or their pharmaceutically acceptable salts, or their optical isomers, racemates, diastereomers or enantiomers, or their regioisomers, geometrical isomers (E and Z) or mixtures thereof.