英文名称:Iron, complexes with 4-[(2-amino-4-hydroxyphenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid coupled with 2-hydroxy-3,5-dinitrobenzenediazonium chloride and 4-nitrobenzenediazonium chloride, sodium salts; Iron, complexes with 4-((2-amino-4-hydroxyphenyl)azo)-5-hydroxy-2,7-naphthalenedisulfonic acid coupled with 2-hydroxy-3,5-dinitrobenzenediazonium chloride and 4-nitrobenzenediazonium chloride, sodium salts