for the following products
Boc-Dab(Fmoc)-OH | Boc-L-Dab(Fmoc)-OH | N-alpha-tert-Butyloxycarbonyl-N-gamma-(9-fluorenylmethyloxycarbonyl)-L-2,4-diaminobutyric acid | N-Boc-N'-Fmoc-L-2,4-Diaminobutyric acid and Butanoic acid,2-[[(1,1-dimethylethoxy)carbonyl]amino]-4-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-,(2S)-