Synonyms: Nickelate(1-),[3,4-bis[[(2-hydroxy-1-naphthalenyl)methylene]amino]benzoato(3-)-N3,N4,O3,O4]-,hydrogen; Nickelate(1-), [3,4-bis[[[2-(hydroxy-kO)-1-naphthalenyl]methylene]amino-kN]benzoato(3-)]-, hydrogen (9CI); Benzoic acid,3,4-bis[[(2-hydroxy-1-naphthalenyl)methylene]amino]-, nickel complex; C.I.48530; C.I. Solvent Red 212; Solvent Red 212