Fmoc-NH-SS-OpNC; 2-((2-((9-Fluorenylmethyloxycarbonyl)amino)ethyl)disulfaneyl)ethan-1-yl p-nitrophenylcarbonate; Fmoc-NH-SS-OPNP, (9H-fluoren-9-yl)methyl (2-((2-(((4-nitrophenoxy)carbonyl)oxy)ethyl)disulfaneyl)ethyl)carbamate [ 2576471-53-7 ]