"2-((2S,5R,8S,11S)-8-(4-氨基丁基)-11-(3-胍基丙基)-5-(4-羟基苄基)-3,6,9,12,15-五氧代-1,4,7,10,13-五氮杂环十五烷-2-基)乙酸"
"2-((2S,5R,8S,11S)-8-(4-氨基丁基)-11-(3-胍基丙基)-5-(4-羟基苄基)-3,6,9,12,15-五氧代-1,4,7,10,13-五氮杂环十五烷-2-基)乙酸"
"2-((2S,5R,8S,11S)-8-(4-氨基丁基)-11-(3-胍基丙基)-5-(4-羟基苄基)-3,6,9,12,15-五氧代-1,4,7,10,13-五氮杂环十五烷-2-基)乙酸"