1-((5,7-Dichloro-1,9-dihydro-2-methyl-9-oxopyrazolo(5,1-b)quinazolin-3-yl)azo)anthraquinone 74336-60-0 9,10-Anthracenedione, 1-((5,7-dichloro-1,9-dihydro-2-methyl-9-oxopyrazolo(5,1-b)quinazolin-3-yl)azo)- EINECS 277-824-4