2-((2-(4-(4,7-双(2-(叔丁氧基)-2-氧代乙基)-1,4,7-三氮酮-1-基)-5-(叔丁氧基)- 5-氧代戊酰氨基)乙基)磺酰氨基)-3-(4-(2-((1,4,5,6-四氢嘧啶-2