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Coloured ammonium ionic liquids with 4-[(3-carboxyl-2-hydroxynaphthalene-1-yl)diazenylo]-3-hydroxynaphthalene-1-sulphonic anion and process for the preparation thereof
Ionic liquids with ammonium cation and alkylbenzenesulfonate anion and the method of manufacturing the Ionic liquids with ammonium cation and alkylbenzenesulfonate anion
Colored pyridinium ionic liquids with 4-[(3-carboxyl-2-hydroxynaphthalene-1-yl)diazenylo]-3-hydroxynaphthalene-1-sulphonic anion and process for the preparation thereof