for the following products
18-(9-Fluorenyloxycarbonylamino)-4,7,10, 13-tetraoxa-octadecanoic acid | Fmoc-18-Amino-4,7,10,13,16-pentaoxaoctadecanoic acid | Fmoc-NH-PEG(5)-COOH and 5,8,11,14,17-Pentaoxa-2-azaeicosanedioic acid 1-(9H-fluoren-9-ylmethyl) ester