1 624 2-(2-(3,4-dichlorophenyl)-5-(isopropylamino)-6-oxopyrimidin-1(6h)-yl)-N-((S)-1-oxo-1-(thiazol-2-yl)-5-guanidinopentan-2-yl)acetamide 1.000 2 62A 2-(5-amino-6-oxo-2-M-tolyl-6h-pyrimidin-1-yl)-N-[4-guanidino-1-(thiazole-2-carbonyl)-butyl]-acetamide 0.800