1 097 (2s,3r)-N~4~-[(1s)-2,2-dimethyl-1-(methylcarbamoyl)propyl]-N~1~,2-dihydroxy-3-(2-methylpropyl)butanediamide 1.000 2 2BB (2s,3r)-N~4~-[(1s)-1-(dimethylcarbamoyl)-2,2-dimethylpropyl]-N~1~,2-dihydroxy-3-(2-methylpropyl)butanediamide 0.958 3 INN N-{(2r)-2-[2-(hydroxyamino)-2-oxoethyl]-4-methylpentanoyl}-3-methyl-L-valyl-N-(2-aminoethyl)-L-alaninamide 0.733