英文同义词: | Acid-PEG4-t-butyl ester;Di-tert-butyl 4,7,10,13-tetraoxahexadecane-1,16-dioate;COOH-PEG4-COOtBu;Acid-PEG4-C2-Boc;4,7,10,13-Tetraoxahexadecanedioic acid, 1-(1,1-dimethylethyl) ester;COOH-PEG4-OtBu;2,2-Dimethyl-4-oxo-3,7,10,13,16-pentaoxanonadecan-19-oic acid;HOOCCH2CH2O-PEG3-CH2CH2COOtBu |