1-((m-Nitrophenyl)azo)-2-naphthol, EINECS 229-312-7, Meta Nitro Orange MN, 1-(3-Nitro-phenylazo)-[2]naphthol, 1-(3'-nitrobenzeneazo)-2-naphthol, m-Nitranilinorange, {3-Nitro-benzol}-<1 azo 1>-naphthol-(2), m-(2-hydroxy-1-naphthylazo)nitrobenzene, 2-Naphthalenol,1-((3-nitrophenyl)azo)