FMOC-21-AMINO-4,7,10,13,16,19-HEXAOXAHENEICOSANOIC ACID Fmoc-N-amido-PEG11-acid FMoc-NH-8(ethylene glycol)-acetic acid Fmoc-N-amido-PEG17-acid FMoc-NH-5(ethylene glycol)-acetic acid Fmoc-NH-PEG3-CH2COOH Fmoc-N-amido-PEG15-acid 5,8,11,14,17,20,23,26-Octaoxa-2-azanonacosanedioic acid,1-(9-fluren-9-ylmethyl)ester FMOC-18-AMINO-4,7,10,13,16-PENTAOXAOCTADECANOIC ACID Fmoc-N-amido-PEG14-acid FMoc-NH-PEG9-CH2CH2COOH