Synonyms: 2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized2-amino-4,6-dinitrophenol, diazotized 4-nitrobenzenamine and resorcinol, sodiumsalts;Acid Brown AFC;Acid Brown B;Acid Brown ER;Acid Brown MS;Acid BrownNR;Acid Brown R for Leather;Acid Leather Brown ANR;Acid TSABrown 75;Airedale Brown ENR;Albion Acid Brown ER;Albion Leather Brown ER;Anadurm Brown A-ER;Atul Leather Brown ANR;Brown CR;Brown NR;C.I. 34905;C.I. Acid Brown 116;C.I. Acid Brown 163;Chemiderm Brown NR;Colocid Brown NR;Covasol Brown ER-ST;Covasol BrownERN;Dermacid Brown LER;Euroderm Brown ER;Everlan Brown EDR;Formo SupraBrown NC;Korostan Brown ER;Leather Brown CR;Ratna Acid Brown NR;Ravi AcidBrown NR;Rifa Leather Brown CR;Simacid Olive Green;Triacor Brown CRN;Vicoacid Brown 75TW;Vilmacor Brown UCR;Wogenal Brown CR;ACID BROWN 75;