for the following products
Dicyclohexylamine (S)-2-(((benzyloxy)carbonyl)amino)-4-((tert-butoxycarbonyl)amino)butanoate | N-alpha-Benzyloxycarbonyl-n-gamma-(t-butyloxycarbonyl)-2,4-diaminobutyric acid dicyclohexylamine | N-alpha-Z-N-gamma-Boc-L-2,4-diaminobutyric acid dicyclohexylamine salt | Z-Dab(Boc)-OH | Z-Dab(Boc)-OH.DCHA and Z-L-Dab(Boc)-OH.DCHA