Patent ID: 8163768

Claim:
A compound of formula (I): wherein: R1 represents H or methyl; R2 represents phenyl, or furyl or thienyl; R3 represents H or R4; X is N; Y, and Y″: each independently represent a substituent selected from CH 2 , CHR5, CR5R6, or C═O; Y′ is NH or NR7; R4 and R7 each independently represents a substituent selected from R8, —COOR8, COR8, and CONHR8; R5 and R6 each independently represent R8; R8 represents H or optionally substituted: -alkyl, -alkyl-alkylene, -alkylene, -heterocycloalkyl, -cycloalkyl, -aryl, -heteroaryl, -alkyl-heterocycloalkyl, -alkyl-cycloalkyl, -alkyl-aryl, -alkyl-heteroaryl, or -alkyl-NRaRb, wherein Ra and Rb each independently represent H or alkyl; or a tautomer, racemate, enantiomer, or diastereomer of said compound or an inorganic or organic acid addition salt or an inorganic or organic base addition salt of said compound, tautomer, racemate, enantiomer, or diastereomer.