(2S,5S,8S,11S,14S,17S,20S,23S,26S,29S,32S,38S,41S,50S)-50-氨基-5-(2-氨基-2-氧代乙基)-2-(3-氨基-3-氧代丙基)-14,26-双(4-氨基丁基)-41-苄基-17,29-双(3-胍基丙基)-38-((R)-1-羟乙基)-23-(羟甲基)-11-异丁基-8,20,32-三甲基-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49-十六氧代-51-苯基-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48-十六氮杂五十一烷-1-酸