. . . . . . . . . . . . . . . . . "gemsa"@en . . . . . . . . . . "Guanidinoethylmercaptosuccinic acid"@en . . . . "experimental"@en . . . . "77482-44-1"@en . . "Guanidinoethyl-Mercaptosuccinic Acid"@en . .