英文别名MPEG9-CH2COOH; mPEG9-acetic acid; 2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]acetic acid; m-PEG-9-CH2COOH; 2,5,8,11,14,17,20,23,26,29-decaoxahentriacontan-31-oic acid; 3,6,9,12,15,18,21,24,27,30-DECAOXAHENTRIACONTANOIC ACID 
