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Related to dicoumarol: coumarin, Phenindione
a substance obtained naturally from sweet clover or produced synthetically as a drug, used as an anticoagulant
or di•cou•ma•rol(daɪˈku məˈrɔl, -ˌrɒl, -ˈkyu-)
a synthetic coumarin derivative, C19H12O6, used chiefly to prevent blood clots.