(5S,8S,10aR)-N-(二苯基甲基)十氢-5-[[(2S)-2-(甲基氨基)-1-氧代丙基]氨基]-3-(3-甲基-1-氧代丁基)-6-氧代吡咯并[1,2-a][1,5]二氮杂环辛烷-8-甲酰胺,99%