1 SD2 N-(sulfanylacetyl)tyrosylprolylmethioninamide 1.000 2 0ZJ N-(sulfanylacetyl)-D-phenylalanyl-N-[(2s,3s)-6-{[amino(iminio)methyl]amino}-1-chloro-2-hydroxyhexan-3-yl]-L-prolinamide 0.718