22873-89-8 59081-06-0 Acetamide, N-(7-hydroxy-8-((2-hydroxy-5-nitrophenyl)azo)-1-naphthalenyl)- EINECS 245-277-0 N-(7-Hydroxy-8-((2-hydroxy-5-nitrophenyl)azo)-1-naphthyl)acetamide