1 BAT 4-(N-hydroxyamino)-2r-isobutyl-2s-(2-thienylthiomethyl)succinyl-L-phenylalanine-N-methylamide 1.000 2 PLH Methylamino-phenylalanyl-leucyl-hydroxamic acid 0.781 3 HTA N-[3-(N'-hydroxycarboxamido)-2-(2-methylpropyl)-propanoyl]-O-tyrosine-N-methylamide 0.735