英文名称:2,7-Naphthalenedisulfonicacid,3-[2-(5-chloro-2-hydroxy-3-sulfophenyl)diazenyl]-4,5-dihydroxy-6-(2-phenyldiazenyl)-; 2,7-Naphthalenedisulfonicacid, 3-[(5-chloro-2-hydroxy-3-sulfophenyl)azo]-4,5-dihydroxy-6-(phenylazo)-(8CI,9CI); Sulfochlorophenol B