英文别名Acid-PEG5-C2-Boc; Acid-PEG5-t-butyl ester; 4,7,10,13,16-Pentaoxanonadecane-1,19-dioic acid, mono(1,1-dimethylethyl) ester; Carboxy-PEG5-t-butyl ester; COOH-PEG5-OtBu; COOH-PEG5-COOtBu; 3-[2-[2-[2-[2-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid; Carboxy-PEG5-tert-butyl Ester; 3-[2-[2-[2-[2-(3-tert-butoxy-3-oxo-propoxy)ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid; HOOCCH2CH2O-PEG4-CH2CH2COOtBu; Acid-PEG5-t-Bu Ester