Synonyms:
t-boc-n-amido-peg6-acid ; 21-(boc-amino)-4,7,10,13,16,19-hexaoxaheneicosanoic acid ; t-boc-n-amido-peg7-acid ; 5,8,11,14,17,20-hexaoxa-2-azatricosanedioic acid 1-(1,1-dimethylethyl) ester ; boc-nh-peg6-ch2ch2cooh ; boc-21-amino-4,7,10,13,16,19-hexaoxaheneicosanoic acid