Synonyms: Chromate(1-),bis[3-(hydroxy-kO)-4-[[2-(hydroxy-kO)-3,5-dinitrophenyl]azo-kN1]-N-phenyl-2-naphthalenecarboxamidato(2-)]-,ammonium; Chromate(1-),bis[3-hydroxy-4-[(2-hydroxy-3,5-dinitrophenyl)azo]-N-phenyl-2-naphthalenecarboxamidato(2-)]-,ammonium (9CI); 2-Naphthalenecarboxamide,3-hydroxy-4-[(2-hydroxy-3,5-dinitrophenyl)azo]-N-phenyl-, chromium complex