英文别名Tos-PEG4-CH2CO2H; Tos-PEG3-CH2COOH; 2-[2-[2-[2-(Tosyloxy)ethoxy]ethoxy]ethoxy]acetic Acid; 2-[2-(2-{2-[(4-methylbenzenesulfonyl)oxy]ethoxy}ethoxy)ethoxy]acetic acid; 2-(2-(2-(2-(tosyloxy)ethoxy)ethoxy)ethoxy)acetic acid; {2-[2-(2-{[(4-Methylphenyl)sulfonyl]oxy}ethoxy)ethoxy]ethoxy}acetic acid