N-[(9H-fluoren-9-ylmethoxy)carbonyl]-α-L-glutamyl-N6-(tert-butoxycarbonyl)-L-lysyl-N-trityl-L-asparaginyl-α-L-glutamyl-N-trityl-L-glutaminyl-α-L-glutamyl-L-leucyl-L-leucyl-α-L-glutamyl-L-leucin, 1,4,6,9-tetra-tert-butylester
N-[(9H-fluoren-9-ylmethoxy)carbonyl]-α-L-glutamyl-N6-(tert-butoxycarbonyl)-L-lysyl-N-trityl-L-asparaginyl-α-L-glutamyl-N-trityl-L-glutaminyl-α-L-glutamyl-L-leucyl-L-leucyl-α-L-glutamyl-L-leucine, 1,4,6,9-tetra-tert-butyl ester