2-{1-dimethylcarbamoylmethylsulfanyl-2-[2-(3-hydroxy-phenyl)-ethylcarbamoyl]-ethyl}-pyrrolidine-1-carboxylic acid tert-butyl ester 、 (3R*,4S*,5s*)-4-[N,N-dimethyl-L-valyl-(N-methyl-L-valinamido)]-3-methoxy-5-methylheptanoic acid 生成 N-(1-{[1-sec-Butyl-4-(2-{1-dimethylcarbamoylmethylsulfanyl-2-[2-(3-hydroxy-phenyl)-ethylcarbamoyl]-ethyl}-pyrrolidin-1-yl)-2-methoxy-4-oxo-butyl]-methyl-carbamoyl}-2-methyl-propyl)-2-dimethylamino-3-methyl-butyramide