英文别名Acid-PEG4-C2-Boc; Acid-PEG4-t-butyl ester; COOH-PEG4-COOtBu; Di-tert-butyl 4,7,10,13-tetraoxahexadecane-1,16-dioate; 4,7,10,13-Tetraoxahexadecanedioic acid, 1-(1,1-dimethylethyl) ester; COOH-PEG4-OtBu; HOOCCH2CH2O-PEG3-CH2CH2COOtBu; Acid-PEG4-tert-butyl Ester; 3-[2-[2-[2-(3-tert-butoxy-3-oxo-propoxy)ethoxy]ethoxy]ethoxy]propanoic acid; 3-[2-[2-[2-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]propanoic acid