1,1'-[[(pentane-1,5-diyl)dioxy]bis[(11S,11aS,2R)-10-(2,2,2-trichloroethoxycarbonyl)-11-hydroxy-7-methoxy-2-hydroxyacetyl-1,2,3,10,11,11a-hexahydro-5H-pyrrolo[2,1-c][1,4]benzodiazepin-5-one]]

1,1'-[[(pentane-1,5-diyl)dioxy]bis[(2S,4R)-[5-methoxy-1,4-phenylene-2-(2,2,2-trichloroethoxycarbonylamino)]carbonyl]]bis[2-(tert-butyldimethylsilyloxymethyl)-4-hydroxyacetylpyrrolidine]

((2S,4R)-2-(((tert-butyldimethylsilyl)oxy)methyl)-4-hydroxypyrrolidin-1-yl)( 5-methoxy-2-nitro-4-((triisopropylsilyl)oxy)phenyl)methanone

(S)-5-(((tert-butyldimethylsilyl)oxy)methyl)-1-(5-methoxy-2-nitro-4-((triisopropyls11yl)oxy)benzoyl)pyrrolidin-3-one

(S)-5-(((tert-butyldimethylsilyl)oxy)methyl)-1-(5-methoxy-2-nitro-4-((triisopropylsilyl)oxy)benzoyl)-4, 5-dihydro-1H-pyrrol-3-yl trifluoromethanesulfonate