515-54-8 Benzenesulfonamide, 4-hydroxy-N-2-thiazolyl- Benzenesulfonamide, p-hydroxy-N-2-thiazolyl- Darvisul N-(2-Thiazolyl)-p-phenolsulfonamide NSC27250 Phenolsulfazole Phenolsulfon Phenolsulphazole Phenosulfazole Virazene