morpholine-4-carbothioic acid (2,2,2-trifluoroethyl)amide 、 2-Amino-4-methylpentanoic acid [1-(benzoxazol-2-ylhydroxymethyl)propyl]amide hydrochloride 、 2-(1,1-Dioxobenzo[d]isothiazol-3-ylamino)-4-methylpentanoic acid [1-(benzoxazol-2-ylcarbonyl)propyl]amide 以provided N-[1-(benzoxazol-2-yl-hydroxy-methyl)-propyl]-3-cyclohexyl-2-{[N-(2,2,2-trifluoroethyl)-morpholine-4-carboximidoyl]-amino}-propionamide, Mol的产率得到N-[1-(benzoxazol-2-yl-hydroxy-methyl)-propyl]-3-cyclohexyl-2-{[N-(2,2,2-trifluoroethyl)-morpholine-4-carboximidoyl]-amino}-propionamide