Benzenesulfonicacid, 2-hydroxy-5-nitro-3-[(tetrahydro-2,4-dithioxo-2H-1,3-thiazin-5-yl)azo]-(9CI); 2H-1,3-Thiazine, benzenesulfonic acid deriv.;Sulfonitrophenolazothiopropiorhodanine
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