英文同义词
MPEG3-NHS;Methyl-PEG4-NHS Ester;1-[(1-Oxo-4,7,10,13-tetraoxatetradec-1-yl)oxy]-2,5-pyrrolidinedione;4,7,10,13-Tetraoxatetradecanoic acid 2,5-dioxo-1-pyrrolidinyl ester;Methyl-PEG4-NHS Ester;m-PEG4-NHS ester;2,5-Dioxopyrrolidin-1-yl 2,5,8,11-tetraoxatetradecan-14-oate;mPEG3-CH2CH2COONHS Ester