3-{[(2S)-2-(acetylamino)propyl]oxy}isoxazole-5-carboxylic acid 、
2-ethylhexyl 3-{[2-amino-5-(cyclopropylmethoxy)phenyl]sulfanyl}propanoate 以in the same manner as in Example 2, step C, the title compound was obtained的产率得到2-ethylhexyl 3-{[2-{[(3-{[(2S)-2-(acetylamino)propyl]oxy}isoxazol-5-yl)carbonyl]amino}-5-(cyclopropylmethoxy)phenyl]sulfanyl}propanoate