. . . . . . . . . . . "experimental"@en . . . . . . . . . . "95-55-6"@en . . . "2-Aminophenol"@en . "Theodor Papenfuhs, \"Process for the preparation of 5-hydroxyethylsulfonyl-2-aminophenol (ethers).\" U.S. Patent US4613704, issued February, 1979."@en . . . . . . . . . . . . . . . . . . . .