Azine sky blue 5b; Belamine sky blue a; Benzanil sky blue; Benzo sky blue a-cf; Benzo sky blue s; Cartasol blue 2gf; Chloramine sky blue a; Chloramine sky blue 4b; Chrome leather pure blue; Ci no. 24400; Cresotine pure blue; Diacotton sky blue 5b; Diamine blue 6b; Diamine sky blue; Diaphtamine pure blue; Diazol pure blue 4b; Diphenyl brilliant blue; Diphenyl sky blue 6b; Direct blue 10g; Direct blue 15; Direct blue hh; Direct pure blue; Direct pure blue m; Direct sky blue; Direct sky blue a; Direct sky blue 5b; Enianil pure blue an; Fenamin sky blue; Hispamin sky blue 3b; Kayafect blue y; Kayaku direct sky blue 5b; Mitsui direct sky blue 5b; Naphtamine blue 10g; Niagara blue 4b; Niagara sky blue; Nippon direct sky blue; Nippon sky blue; Nitto direct sky blue 5b; Oxamine sky blue 5b; Paper blue s; Phenamine sky blue a; Pontamine sky blue 5bx; Shikiso direct sky blue 5b; Sky blue 4b; Sky blue 5b; Tertrodirect blue f; Vondacel blue hh.; 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl) bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonic acid], tetrasodium salt; Airedale blue d; Aizen direct sky blue 5b; Aizen direct sky blue 5bh; Amanil sky blue; Atlantic sky blue a; Atul direct sky blue; 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt.