1 PHV N-[(benzyloxy)carbonyl]-beta-phenyl-D-phenylalanyl-N-[(1s)-4-methoxy-1-phosphonobutyl]-L-prolinamide 1.000 2 T19 Phenylmethylenecarboxy-(methyleneamino-formyl-diphenylmethyl)methy-pro-boroval 0.776 3 PHW N-[(benzyloxy)carbonyl]-beta-phenyl-D-phenylalanyl-N-{(1s,3e)-1-[dihydroxy(diphenoxy)-lambda~5~-phosphanyl]-4-methoxybut-3-en-1-yl}-L-prolinamide 0.746