Thiophene-2-sulfonic acid {3-[(R)-2-((R)-2-{7-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethoxy]-1H-indol-3-yl}-1-methyl-ethylamino)-1-hydroxy-ethyl]-phenyl}-amide

Octane-1-sulfonic acid 3-((R)-2-{(R)-2-(tert-butyl-dimethyl-silanyloxy)-2-[3-(thiophene-2-sulfonylamino)-phenyl]-ethylamino}-propyl)-1H-indol-7-yl ester

4-[3-((R)-2-{(R)-2-(tert-Butyl-dimethyl-silanyloxy)-2-[3-(thiophene-2-sulfonylamino)-phenyl]-ethylamino}-propyl)-1H-indol-7-yloxysulfonyl]-benzoic acid ethyl ester

Thiophene-2-sulfonic acid {3-[(R)-1-(tert-butyl-dimethyl-silanyloxy)-2-((R)-2-{7-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethoxy]-1H-indol-3-yl}-1-methyl-ethylamino)-ethyl]-phenyl}-amide

(2R)-7-benzyloxy-3-[2-(tert-butoxycarbonylamino)propyl]-1H-indole