1 A5F N-[(2s)-3-azanyl-3-methyl-1-(oxidanylamino)-1-oxidanylidene-butan-2-yl]-4-[4-[(1r,2r)-2-(hydroxymethyl)cyclopropyl]buta -1,3-diynyl]benzamide 1.000 2 UFX 4-(4-cyclopropylbuta-1,3-diyn-1-yl)-N-[(2s,3s)-4,4-difluoro-3-hydroxy-1-(hydroxyamino)-3-methyl-1-oxobutan-2-yl]benzamide 0.800 3 5EM N-[(2s)-3-amino-1-(hydroxyamino)-3-methyl-1-oxobutan-2-yl]-4-[4-(4-aminophenyl)buta-1,3-diyn-1-yl]benzamide 0.750 4 L52 N-[(2s)-3-amino-1-(hydroxyamino)-1-oxopropan-2-yl]-4-(4-phenylbuta-1,3-diyn-1-yl)benzamide 0.710