C.I. Pigment Orange 67

Pyrazolo5,1-bquinazolin-9(1H)-one, 3-(4-chloro-2-nitrophenyl)azo-2-methyl-

3-[(4-chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5,1-b]quinazolin-9(1H)-one

3-[(4-Chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5.1-b]quinazoline-9(1H)-one