Methanesulfonic acid (S)-5-hydroxy-3-{5-[(1H-indole-2-carbonyl)-amino]-1H-indole-2-carbonyl}-8-methyl-1,2,3,6-tetrahydro-pyrrolo[3,2-e]indol-1-ylmethyl ester

Methanesulfonic acid (S)-5-benzyloxy-3-{5-[(1H-indole-2-carbonyl)-amino]-1H-indole-2-carbonyl}-8-methyl-1,2,3,6-tetrahydro-pyrrolo[3,2-e]indol-1-ylmethyl ester

((R)-5-Benzyloxy-3-methanesulfonyl-8-methyl-1,2,3,6-tetrahydro-pyrrolo[3,2-e]indol-1-yl)-methanol