1 B5K 3-[(1~{R})-2-(~{tert}-butylamino)-1-[methanoyl-[[3,4,5-tris(fluoranyl)phenyl]methyl]amino]-2-oxidanylidene-ethyl]-6-chloranyl-1~{H}-indole-2-carboxylic acid 1.000 2 07G 3-[(1s)-2-(tert-butylamino)-1-{N-[(3,4-difluorophenyl)methyl]formamido}-2-oxoethyl]-6-chloro-1h-indole-2-carboxylic acid 0.971 3 TJ2 3-{(1s)-2-(tert-butylamino)-1-[(4-chlorobenzyl)(formyl)amino]-2-oxoethyl}-6-chloro-1h-indole-2-carboxylic acid 0.886 4 Y30 3-{(1s)-2-(tert-butylamino)-1-[{4-[(4-chlorobenzyl)oxy]benzyl}(formyl)amino]-2-oxoethyl}-6-chloro-1h-indole-2-carboxylic acid 0.721