中文名称:丽春红 S 中文:3-羟基-4-[2-磺酸基-4-(4-磺酸基偶氮)基偶氮]-2,7-二磺酸四盐 英文:C.I. 27195; C.I. Acid Red 112; C.I. Acid Red 112, tetrasodium salt (8CI); Ponceau S; 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2,7-naphthalenedisulfonic acid, tetrasodium salt; Ponceau S solution; tetrasodium 3-hydroxy-4-(2-sulphonato-4-(4-sulphonatophenylazo)phenylazo)naphthalene-2,7-disulphonat; Acid red 112; tetrasodium 3-hydroxy-4-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}diazenyl]naphthalene-2,7-disulfonate