Synonyms: Violanthrone(8CI);5,10-Violanthrenedione;Amanthrene Dark Blue BO;Anthravat Dark Blue BO;Belanthrene Dark BlueBO;Benzadone Dark Blue BOR;Benzadone Dark Blue BORI;Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione;Bianthrone A;C.I. Pigment Blue 65;C.I. VatBlue 20;Calcoloid Dark BlueBOD;Caledon Dark Blue BM;Caledon Navy BM;Caledon Printing Dark Blue BM;Carbanthrene Dark Blue DR;Cibanone DarkBlue BO;Cibanone Dark Blue FBOA;Cibanone Dark Blue MBA;Dibenzanthrone;Dinaphtho[1,2,3-cd:3',2',1'-lm]perylene-5,10-dione;Farbanthren Dark Blue BOA;Fenanthren Dark Blue BO;Indanthren Dark Blue BOA;Indanthren Dark Blue DB;Irgalite Blue 2R;MikethreneDark Blue B;Mikethrene Dark Blue BO;NSC 2212;Navinon Blue BO;Navinon Dark Blue BO;Nyanthrene Navy Blue BR;Ostanthren Dark Blue BOA;PalanthreneDark Blue BOA;Paradone Dark Blue;Paradone Dark Blue 58321;Pernithrene DarkBlue BOA;Ponsol Dark Blue BR;Ponsol Dark Blue BRD;Sandothrene Dark Blue BOA;Sandothrene Dark Blue NBO;Sandothrene Dark Blue NBOA;Sandothrene Dark BlueNMBA;Solanthrene Dark Blue BA;Solanthrene Dark BlueBOA;Solanthrene Dark Blue F-BA;Tinon Dark Blue BO;TinonDark Blue BOR;Tinon Dark Blue MB;Tinon Dark Blue MBA;Vat Dark Blue O;Violanthrene N;Violanthrone A;