3-((tert-butoxy)carbonyl)-1,2-dihydro-3H-pyrrolo[3,2-e]indole-7-carboxylic acid

(1S)-3-[(tert-butyloxy)carbonyl]-1-(chloromethyl)-5-hydroxy-8-methyl-1,2-dihydro-3H-pyrrolo[3,2-e]indole

(S)-1-(chloromethyl)-1,6-dihydro-5-hydroxy-8-methylbenzo[1,2-b:4,3-b']dipyrrole hydrochloride

(S)-(5-(benzyloxy)-8-methyl-3-(methylsulfonyl)-1,2,3,6-tetrahydropyrrolo[3,2-e]indol-1-yl)methanol

(S)-1,6-dihydro-1-(hydroxymethyl)-8-methyl-5-(phenylmethoxy)-benzo[1,2-b:4,3-b']dipyrrole-3(2H)-carboxylic acid 1,1-dimethylethyl ester