4-oxo-5-(tetrahydro-2H-pyran-4-yloxy)-3,4-dihydroxyquinazolin-7-yl acetate

4-chloro-5-(tetrahydro-2H-pyran-4-yloxy)quinazolin-7-yl acetate

5-羟基-7-甲氧基喹唑啉-4(3H)-酮

5,7-二甲氧基-4(3H)-喹唑啉酮

tert-butyl [(5-hydroxy-7-methoxy-4-oxoquinazolin-3(4H)-yl)-methyl]carbamate