Polyethylene glycol or PEGs

(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate, , 1325208-25-0, MFCD20230464

1-(2-Azidoethoxy)-2-methoxyethane, M-PEG2-N3, 215181-61-6, NO MDL FOUND

1-Azido-2-(2-(2-methoxyethoxy)ethoxy)ethane, M-PEG3-N3, 74654-06-1, NO MDL FOUND

1,19-di-tert-butyl 4,7,10,13,16-pentaoxanonadecanedioate, , 439114-12-2, MFCD18916981

13-Azido-2,5,8,11-tetraoxatridecane, M-PEG4-N3, 606130-90-9,

16-azido-2,5,8,11,14-pentaoxahexadecane, M-PEG5-azide, 1202681-04-6, NO MDL FOUND

2-[2-[2-[2-[2-(2-benzyloxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethanol, , 24342-68-5, MFCD06797107

2-[2-[2-[2-[2-(p-tolylsulfonyloxy)ethoxy]ethoxy]ethoxy]ethoxy]ethyl 4-methylbenzenesulfonate, , 41024-91-3, MFCD00012204

2,5,8,11-Tetraoxatridecan-13-yl 4-methylbenzenesulfonate, , 62921-76-0,

2,5,8,11,14-Pentaoxahexadecan-16-yl 4-methylbenzenesulfonate, M-PEG5-Ts, 80755-67-5,

2,5,8,11,14,17,20,23-octaoxapentacosan-25-ol, , 25990-96-9, MFCD06797152

3-[2-[2-[2-(2-aminoethoxy)ethoxy]ethoxy]ethoxy]propanoic acid, , 663921-15-1, MFCD11041129