CHEMICAL PRODUCTS FOR INDUSTRIAL, SCIENTIFIC, PHOTOGRAPHIC, AGRICULTURAL, HORTICULTURAL, FORESTRY AND WATER PURIFICATION APPLICATIONS, NAMELY BENZENE SULPHONYL CHLORIDE, DIPHENYL SULPHONE, DIPHENYL SULPHONE-3-SULPHONIC ACID POTASSIUM SALT, BENZENE SULPHONAMIDE, N-BUTYLBENZENE SULPHONAMIDE, SODIUM VINYLSULPHONATE, BENZIMIDAZOLE, 4-CHLOROBENZHYDRYL CHLORIDE, DIMETHYL MALEATE, DIETHYL MALEATE, [ DIISOPROLYL ] * DIISOPROPYL * MALEATE, DIISOBUTYL MALEATE, DIMETHYLPENTYL MALEATE, DITRIDECYL MALEATE...