英文别名4-((17S,20S)-1-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-17-isopropyl-15,18-dioxo-20-(3-ureidopropyl)-3,6,9,12-tetraoxa-16,19-diazahenicosanamido)benzyl (4-nitrophenyl) carbonate; [4-[[(2S)-5-(carbamoylamino)-2-[[(2S)-2-[3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoylamino]-3-methylbutanoyl]amino]pentanoyl]amino]phenyl]methyl (4-nitrophenyl) carbonate; Mal-PEG(4)-Val-Cit-PAB-PNP; Maleimido-PEG4-Val-Cit-PAB-PNP; {4-[(2S)-5-(carbamoylamino)-2-[(2S)-2-[1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-3,6,9,12-tetraoxapentadecan-15-amido]-3-methylbutanamido]pentanamido]phenyl}methyl 4-nitrophenyl carbonate; 4-((17S,20S)-1-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)-17-isopropyl-15,18-dioxo-20-(3-ureidopropyl)-3,6,9,12-tetraoxa-16,19-diazahenicosan-21-amido)benzyl (4-nitrophenyl) carbonate; [4-[[(2S)-2-[[(2S)-2-[3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoylamino]-3-methyl-butanoyl]amino]-5-ureido-pentanoyl]amino]phenyl]methyl (4-nitrophenyl) carbonate; [4-[[(2S)-5-(Carbamoylamino)-2-[[(2S)-2-[3-[2-[2-[2-[2-(2,5-dioxo-1-pyrrolyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoylamino]-3-methylbutanoyl]amino]pentanoyl]amino]phenyl]methyl (4-Nitrophenyl) Carbonate; L-Ornithinamide, N-[15-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxo-4,7,10,13-tetraoxapentadec-1-yl]-L-valyl-N5-(aminocarbonyl)-N-[4-[[[(4-nitrophenoxy)carbonyl]oxy]methyl]phenyl]- 
