英文别名Tos-PEG2-Boc; Tos-PEG2-t-butyl ester; Propanoic acid, 3-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl 3-(2-{[(4-methylphenyl)sulfonyl]oxy}ethoxy)propanoate; Tos-PEG1-CH2CH2COOtBu; tert-butyl 3-[2-(4-methylphenyl)sulfonyloxyethoxy]propanoate; tert-butyl 3-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}propanoate; TOS-PEG1-T-BUTYLESTER; 2-(2-(tert-butoxycarbonyl)ethoxy)ethyl 4-methylbenzenesulfonate; tert-butyl 3-[2-(p-tolylsulfonyloxy)ethoxy]propanoate 
