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![M11047 | sodium 5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate](https://qncdn.chemcd.cn/molcolor/M11047.png "M11047 | sodium 5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate")
