1 0ZL N-(ethoxycarbonyl)-L-leucyl-N-[(1r,2s,3s)-1-(cyclohexylmethyl)-2,3-dihydroxy-5-methylhexyl]-L-leucinamide 1.000 2 EP9 N-[(benzyloxy)carbonyl]-L-leucyl-N-[(2s,3s)-3-hydroxy-1-(4-hydroxyphenyl)-4-oxobutan-2-yl]-L-leucinamide 0.733