13734-41-3 L-Valine, N-[(1,1-dimethylethoxy)carbonyl]- N-[(1,1-Dimethylethoxy)carbonyl]-L-valine N-tert-Butoxycarbonyl-L-valine N-tert-Butoxycarbonylvaline N-tert-Butyloxycarbonyl-L-valine NSC197197 Valine, N-carboxy-, N-tert-butyl ester, L- tert-Butoxycarbonyl-L-valine tert-Butoxycarbonylvaline