13139-14-5 L-Tryptophan, N-[(1,1-dimethylethoxy)carbonyl]- N-[(1,1-Dimethylethoxy)carbonyl]-L-tryptophan N-tert-Butoxycarbonyl-L-(-)-tryptophan N-tert-Butoxycarbonyl-L-tryptophan N-tert-Butoxycarbonyltryptophan N-tert-Butyloxycarbonyl-L-tryptophan NSC334306 Tryptophan, N-carboxy-, N-tert-butyl ester, L- tert-Butoxycarbonyl-L-tryptophan tert-Butoxycarbonyltryptophan tert-Butyloxycarbonyltryptophan