(2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene; 2,2-dimethyl-6-[(E)-{4-[(E)-phenyldiazenyl]naphthalen-1-yl}diazenyl]-2,3-dihydro-1H-perimidine; Fat Black HB; 2,2-Dimethyl-6-[(E)-{4-[(E)-phenyldiazenyl]-1-naphthyl}diazenyl]-2,3-dihydro-1H-perimidine; 2,3-dihydro-2,2-dimethyl-6-[[4-(phenylazo)-1-naphthyl]azo]perimidine; Ceres Black BN; Sudan Black B
