1 IVF N-(iodoacetyl)-L-valyl-L-phenylalaninamide 1.000 2 FAF 2-acetylamino-4-methyl-pentanoic acid (1-formyl-2-phenyl-ethyl)-amide 0.800 3 DRS (9s,12s)-9-(1-methylethyl)-7,10-dioxo-2-oxa-8,11-diazabicyclo[12.2.2]octadeca-1(16),14,17-triene-12-carboxylic acid 0.750 4 HIN (2s) N-acetyl-L-alanyl-alphal-phenylalanyl-chloroethylketone 0.731 5 K7I L-alanyl-N-[(1s,2r)-1-benzyl-2-hydroxypropyl]-L-alaninamide 0.731