SEARCH Articles Figures Tables Benzyloxycarbonyl Benzyloxycarbonyl group Benzyloxycarbonyl protecting Benzyloxycarbonyl protecting group Benzyloxycarbonyl protective group Benzyloxycarbonylation N -benzyloxycarbonyl N groups N-Protecting N-Protective group N-benzyloxycarbonyl -protected N-protecting groups N-protection