1 632 2-(5-benzylamino-2-methylsulfanyl-6-oxo-6h-pyrimidin-1-yl)-N-[4-guanidino-1-(thiazole-2-carbonyl)-butyl]-acetamide 1.000 2 737 N-[4-guanidino-1-(thiazole-2-carbonyl)-butyl]-2-{6-oxo-5-[(quinolin-8-ylmethyl)-amino]-2-M-tolyl-6h-pyrimidin-1-yl}-acetamide 0.723