| abstract |
The present invention provides a compound that selectively inhibits pathological production of human vascular endothelial growth factor (VEGF), which is effective in the treatment of cancer or viral infection, and a pharmaceutical composition containing the compound. A compound represented by formula (I) and a pharmaceutical composition containing the compound. [X is H or C1-6 alkyl, etc .; A is CH or N; B is CH or N; R1 is hydroxyl, or alkylthio, heteroaryl, etc .; R2 is H, hydroxyl, etc .; R3 is H or -C (O) -Rg; Rg is hydroxyl, amino substituted with cycloalkyl or heteroaryl, etc.] [Selection figure] None |