H-D-HIS(TRT)-OME HCL; H-D-HIS(T-TRT)-OME HCL; H-D-HIS(1-TRT)-OME HCL; D-HISTIDINE(1-TRT)-OME HCL; N-IM-TRITYL-D-HISTIDINE METHYL ESTER HYDROCHLORIDE; H-D-His(tau-Trt)-OMe . HCl; H-D-His(1-Trt)-OMe; (R)-Methyl 2-amino-3-(1-trityl-1H-imidazol-4-yl)propanoate hydrochloride;