12318; C.I.Pigment Red 258; P.R.258; Pigment Red 258; 3-hydroxy-4-[[2-methoxy-5-[(phenylmethyl)sulfonyl]phenyl]azo]-N-phenyl-2-Naphthalenecarboxamide; (4Z)-4-{2-[5-(benzylsulfonyl)-2-methoxyphenyl]hydrazinylidene}-3-oxo-N-phenyl-3,4-dihydronaphthalene-2-carboxamide