C.I. 20195; C.I. Acid Brown 14; C.I. Acid Brown 14, disodium salt; C.I. Acid Brown 14, disodium salt (8CI); Echt brown n; Acid Brown 14; Fenazo Brown N; Disodium 4,4'-[(2,4-dihydroxy-1,3-phenylene)bis(azo)]bisnaphthalene-1-sulphonate; Acid Brown R; disodium 4,4'-[(2,6-dioxocyclohex-4-ene-1,3-diylidene)di(2E)hydrazin-1-yl-2-ylidene]dinaphthalene-1-sulfonate