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

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

(R)-7-[2-(tert-butoxycarbonylamino)propyl]-3,3-difluoro-3,4-dihydro-2H-pyrrolo[1,2,3-ef]-1,5-benzoxazepine

(R)-1-allyl-7-allyloxy-3-[2-(tert-butoxycarbonylamino)propyl]indole

(R)-1-Methyl-2-(9-oxa-1-aza-tricyclo[6.6.1.04,15]pentadeca-2,4(15),5,7-tetraen-3-yl)-ethylamine