英文别名Chloroacetamido-PEG4-C2-Boc; 2-Methyl-2-propanyl 1-chloro-2-oxo-6,9,12,15-tetraoxa-3-azaoctadecan-18-oate; 6,9,12,15-Tetraoxa-3-azaoctadecan-18-oic acid, 1-chloro-2-oxo-, 1,1-dimethylethyl ester; Chloroacetamido-PEG4-t-Butyl Ester; Chloroacetamido-PEG5-t-butyl ester; tert-butyl 1-(2-chloroacetamido)-3,6,9,12-tetraoxapentadecan-15-oate; tert-butyl 3-[2-[2-[2-[2-[(2-chloroacetyl)amino]ethoxy]ethoxy]ethoxy]ethoxy]propanoate; Chloroacetamido-PEG4-tert-butyl Ester; 4,7,10,13-Tetraoxa-16-azaoctadecanoic acid, 18-chloro-17-oxo-, 1,1-dimethylethyl ester 
