英文名称
                        4-((2S,5S)-5-methyl-4,7,17-trioxo-2-(3-ureidopropyl)-9,12,15-trioxa-3,6,18-triazahenicos-20-ynamido)benzyl (2-(((((S)-4-ethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-11-yl)methylene)amino)oxy)ethyl)carbamate