1,5-NAPHTHALENEDISULFONIC ACID, 2-(6-(4,6-DICHLORO-s-TRIAZINYL)METHYLAMINO-1-HYD 1,5-Naphthalenedisulfonic acid, 2-(6-(4,6-dichloro-s-triazinyl)methylamino-1-hydroxy-3-sulfonaphthylazo)- 2-((6-((4,6-Dichloro-1,3,5-triazin-2-yl)methylamino)-1-hydroxy-3-sulpho-2-naphthyl)azo)naphthalene-1,5-disulphonic acid 70616-90-9 73816-75-8 EINECS 277-617-9 Oranz brilantni ostazinova S-2R [Czech] Procion orange MX-2R