2-Naphthalenecarboxamide, N-(2-ethoxyphenyl)-3-hydroxy-4-((2-methoxy-5-((phenylamino)carbonyl)phenyl)azo)- 2-Naphthalenecarboxyamide, 3-hydroxy-4-((2-methoxy-5-(phenylcarbamoyl)phenyl)azo)-N-(2-ethoxyphenyl)- 73384-84-6