Ethanol, 2-[2-(2-hydroxyethoxy)ethoxy]-, 1-(4-Methylbenzenesulfonate) 3,6,9,12,15,18-Hexaoxaeicosane-1,20-diamine mPEG6-CH2COOH 3,6,9,12,15,18,21,24,27,30-Decaoxahentriacontanoic acid 1,14-diamino-3,6,9,12-tetraoxatetradecane O,O′-Bis(2-aMinoethyl)polyethylene Glycol 2,5,8,11,14-pentaoxahexadecan-16-oic acid