英文别名Tos-PEG2-CH2CO2tBu; Acetic acid, 2-[2-[[(4-methylphenyl)sulfonyl]oxy]ethoxy]-, 1,1-dimethylethyl ester; 2-Methyl-2-propanyl (2-{[(4-methylphenyl)sulfonyl]oxy}ethoxy)acetate; tert-butyl 2-[2-(4-methylphenyl)sulfonyloxyethoxy]acetate; Tos-PEG1-CH2-Boc; tert-butyl 2-(2-(tosyloxy)ethoxy)acetate; tert-Butyl 2-(2-[[(4-methylbenzene)sulfonyl]oxy]ethoxy)acetate; TOS-PEG1-CH2CO2TBU; tert-butyl 2-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}acetate; Tert butyl 2- (2- (p-toluenesulfonyloxy) ethoxy) acetate; Tos-PEG1-CH2COOtBu 
