[2,3'-bis[[(2-hydroxyphenyl)methylene]amino]but-2-enedinitrilato(2-)-N2,N3,O2,O3]nickel;Solvent Brown 53;2,3'-Bis[[2-hydroxyphenyl)methylene]amino]-2-butenedinitrilato(2-)-N2,N3,O2,O3]nickel;Brown 53;C.I. 48525;Solvent Brown 53 ISO 9001:2015 REACH;Solvent Brown 53:Transparent brown r;C.I.Solvent Brown 53:C.I.48525