3-diazonio-4-oxo-1H-quinolin-2-olate

2,4(1H,3H)-Quinazolinedione, 3-(2-benzothiazolyl)- (en)

2-[(2-carboxyphenyl)carbamoylamino]benzoic acid

5H,12H-Quinazolino[3,2-a][3,1]benzoxazine-5,12-dione