英文别名Ald-CH2-PEG4-Boc; Ald-PEG4-t-butyl ester; ALD-CH2-PEG4-T-BUTYL ESTER; CHO-PEG4-COOtBu; Ald-CH2-PEG4-CH2CH2COOtBu; tert-butyl 3-[2-[2-[2-(2-oxoethoxy)ethoxy]ethoxy]ethoxy]propanoate; CHO-PEG4-CH2CH2COOtBu; CHOCH2-PEG4-COOtBu; 4,7,10,13-Tetraoxapentadecanoic acid, 15-oxo-, 1,1-dimethylethyl ester