sodium 7-(4-cyanobenzyloxy)naphthalene-2-sulfonate
7-methoxynaphthalene-2-sulfonic acid [1-(3-cyanobenzyl)-2-oxopyrrolidin-3-(S)-yl](N-tert-butyloxycarbonylpyrazol-3-ylmethyl)amide
3-[<1-(3-cyanobenzyl)-2-oxopyrrolidin-3-(S)-yl>-7-methoxynaphthalen-2-ylsulfonylamino]-N-propionic acid tert-butyl ester