1-Propanesulfonic acid, 3-hydroxy-, salicylate 3-Salicyloxyloxo-1-propanesulfonsaeure 3-Sulfopropyl salicylat 58703-77-8 Salicylic acid ester with 3-hydroxy-1-propanesulfonic acid Sulprosal Sulprosal [INN] Sulprosalum