4-ethoxy-4-phenyl-1H-3,1-benzoxazin-2-one

2-氨基-4‘-甲基苯甲酮

4,4-di-p-tolyl-1,4-dihydro-2H-3,1-benzoxazin-2-one

2-(methoxycarbonylamino)benzoic acid

3-(2-Carboxyphenyl)-1,2,3,4-tetrahydroquinazoline-2,4-dione