2610-86-8 2H-1-Benzopyran-2-one, 4-hydroxy-3-(3-oxo-1-phenylbutyl)-, potassium salt 3-(alpha-Acetonylbenzyl)-4-hydroxycoumarin potassium salt Antrombin K Athrombin-K COUMARIN, 3-(alpha-ACETONYLBENZYL)-4-HYDROXY-, POTASSIUM SALT Potassium warfarin Warfarin K Warfarin potassium Warfarin potassium [JAN]