(5S,8S,14S,17S,20S)-14,17-二苄基-5-氨基甲酰基-20-(羧甲基)-8-异丁基-15-甲基-7,10,13,16,19,22-六氧代-2-硫杂-6,9,12,15,18,21-六氮杂二十五烷-25-酸三氟乙酸盐