t-butoxycarbonyl-D-glutamic acid γ-methyl ester dicyclohexylamine salt
N-α-(tert-butoxycarbonyl)-D-glutamic acid γ-methyl ester
methyl 4-<(tert-butyloxycarbonyl)amino>-5-(O-tosyl)pentanoate
(R)-4-([(tert-butoxy)carbonyl]amino)-6-methylheptanoic acid
tri-tert-butyl N-