1 716 2-[2-(3-chloro-phenyl)-2-hydroxy-acetylamino]-N-[4-guanidino-1-(thiazole-2-carbonyl)-butyl]-3-methyl-butyramide 1.000 2 682 N~2~-(aminocarbonyl)-N~1~-{4-{[amino(imino)methyl]amino}-1-[hydroxy(1,3-thiazol-2-yl)methyl]butyl}valinamide 0.714