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

(R)-2-(7-Ethoxy-1H-indol-3-yl)-1-methyl-ethylamine

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

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