73263-35-1 Benzamide, N-(5-(diethylamino)-4-methoxy-2-((4-((4-nitrophenyl)azo)-1-naphthalenyl)azo)phenyl)- N-(5-(Diethylamino)-4-methoxy-2-((4-((4-nitrophenyl)azo)-1-naphthalenyl)azo)phenyl)benzamide