英文别名N-(Boc-PEG4)-NH-PEG4-NH-Boc; N-(Boc-PEG4)-NH-PEG4-tert-butyl Ester; N-(BOC-PEG4)-NH-PEG4-T-BUTYLESTER; tert-butyl 1-{[(tert-butoxy)carbonyl]amino}-3,6,9,12,18,21,24,27-octaoxa-15-azatriacontan-30-oate; N-(t-Boc-N-Amido-PEG4)-NH-PEG4-t-butyl ester; tert-butyl 2,2-dimethyl-4-oxo-3,8,11,14,17,23,26,29,32-nonaoxa-5,20-diazapentatriacontan-35-oate; tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-[2-[2-(tert-butoxycarbonylamino)ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]ethoxy]ethoxy]ethoxy]ethoxy]propanoate; 5,8,11,14,20,23,26,29-Octaoxa-2,17-diazadotriacontanedioic acid, 1,32-bis(1,1-dimethylethyl) ester 
