N-{2-[4,6-dihydro-5H-thieno[2,3-c]pyrrol-5-yl(methyl)amino]-2-oxoethyl}-N-[2-methyl-5-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl]glycine 以83%的产率得到N2-{2-[4,6-dihydro-5H-thieno[2,3-c]pyrrol-5-yl(methyl)amino]-2-oxoethyl}-N2-[2-methyl-5-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl]-N1-{2-[(tert-butoxycarbonyl)(ethyl)amino]ethyl}glycinamide