for the following products
(bS)-b-[[(1,1-Dimethylethoxy)carbonyl]amino]-1H-Indole-3-butanoic acid | (S)-3-((tert-Butoxycarbonyl)amino)-4-(1H-indol-3-yl)butanoic acid | Boc-L-beta-Homotryptophan | N-beta-(tert-Butyloxycarbonyl)-L-homotryptophan and Boc-L-beta-HoTrp-OH
