Synonyms:
c.i. pigmentorange 67 ; pyrazolo[5,1-b]quinazolin-9(1h)-one,3-[2-(4-chloro-2-nitrophenyl)diazenyl]-2-methyl- ; paliotol orange l 2930hd ; 3-[(4-chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5.1-b]quinazoline-9(1h)-one ; 3-[(4-chloro-2-nitrophenyl)azo]-2-methylpyrazolo[5,1-b]quinazolin-9(1h)-one ; po 67 ; pyrazolo[5,1-b]quinazolin-9(1h)-one,3-[(4-chloro-2-nitrophenyl)azo]-2-methyl- (9ci) ; pigment orange 67 ; pyrazolo5,1-bquinazolin-9(1h)-one, 3-(4-chloro-2-nitrophenyl)azo-2-methyl- ; c.i. 12915 ; c.i. pigment orange 67