1155-62-0 22259-07-0 Carbobenzoxy-L-glutamic acid EINECS 214-584-1 Glutamic acid, N-carboxy-, N-benzyl ester, L- L-Glutamic acid, N-((phenylmethoxy)carbonyl)- N-((Phenylmethoxy)carbonyl)-L-glutamic acid N-(Benzyloxycarbonyl)-L-glutamic acid N-Benzyloxycarbonyl-L-glutamic acid N-Benzyloxycarbonylglutamic acid N-Carbobenzoxy-L-glutamic acid NSC 555 NSC 88494