H-His(Trt)-OH,35146-32-8,N(im)-Trityl-L-histidine,C25H23N3O2
Fmoc-His(Trt)-OH,109425-51-6,Fmoc-His(Trt)-OH ; N-9-Fluorenylmethoxycarbonyl-N’-trityl-L-histidine,C40H33N3O4