67953-10-0 EINECS 267-945-0 N,N'-(2,3-Dichlorophenyl)-2-((9,10-dihydro-9,10-dioxoanthryl)azo)malonamide Propanediamide, N,N'-bis(2,3-dichlorophenyl)-2-((9,10-dihydro-9,10-dioxo-1-anthracenyl)azo)-