1-((7-Chloro-1,9-dihydro-2-methyl-9-oxopyrazolo(5,1-b)quinazolin-3-yl)azo)anthraquinone 85223-09-2 9,10-Anthracenedione, 1-((7-chloro-1,9-dihydro-2-methyl-9-oxopyrazolo(5,1-b)quinazolin-3-yl)azo)- EINECS 286-362-2