. . . . . . . . "4-[3-Carboxymethyl-3-(4-Phosphonooxy-Benzyl)-Ureido]-4-[(3-Cyclohexyl-Propyl)-Methyl-Carbamoyl]Butyric Acid"@en . . . . . . . . . . . . . . . . . . . "experimental"@en . . . . . . . . .