1 DI5 Ac-(D)phe-pro-borohomoornithine-oh 1.000 2 DI2 Ac-(D)phe-pro-borolys-oh 0.906 3 DI4 Ac-(D)phe-pro-borohomolys-oh 0.879 4 DI3 Ac-(D)phe-pro-boro-N-butyl-amidino-glycine-oh 0.853 5 DP7 Ac-(D)phe-pro-boroarg-oh 0.853 6 T29 Tri166 (bifunctional boronate inhibitor) 0.829 7 T16 Borolog2 0.806