Bis4-[(5-chloro-2-hydroxyphenyl)azo]-3-hydroxy-N-phenyl-2-naphthalene= carboxyamidateferrate with a mixture of ammonium, sodium and hydrogen cations
Bis4-[(5-chloro-2-hydroxyphényl)azo]-3-hydroxy-N-phényl-2-naphtalène= carboxyamidateferrate avec un mélange de cations ammonium, sodium et hydrogène