12286-58-7 2-Naphthalenecarboxamide, N,N'-(3,3'-dichloro(1,1'-biphenyl)-4,4'-diyl)bis(4-((2-chlorophenyl)azo)-3-hydroxy- 5280-74-0 71598-23-7 EINECS 226-105-3 N,N'-(3,3'-Dichloro(1,1'-biphenyl)-4,4'-diyl)bis(4-((2-chlorophenyl)azo)-3-hydroxynaphthalene-2-carboxamide)