2-(2-氧代吡咯烷-1-基)苯甲酸

3,4-dihydro-2H-oxazino[3,2-b]quinazolin-10-one

4-methyl-3,4-dihydro-2H-oxazino[3,2-b]quinazolin-10-one

3-methyl-2,3-dihydro-[1,3]oxazolo[2,3-b]quinazolin-5-one

3,3-dimethyl-2H-[1,3]oxazolo[2,3-b]quinazolin-5-one