for the following products
Boc-His(Boc)-OH (dicyclohexylammonium) salt | Boc-L-His(Boc)-OH.DCHA | N,1-bis-(Boc)-L-histidine dicyclohexylamine salt | N-alpha-tert-Butyloxycarbonyl-n-im-tert-Butyloxycarbonyl-L-histidine dicyclohexylamine | N-S-N(im)-di-tert-Boc-L-histidine dicyclohexylamine salt and Boc-His(Boc)-OH.DCHA
