for the following products
9-Fluorenylmethyloxycarbonyl-valyl-citrullyl-(4-aminobenzyl)-(4-nitrophenyl)carbonate | [4-[[(2S)-1-Amino-5-(carbamoylamino)-1-oxopentan-2-yl]-[(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-methylbutanoyl]amino]phenyl]methyl (4-nitrophenyl) carbonate and Fmoc-Val-Cit-PAB-PNP
