4-hydroxycoumarin derivatives. X. 3,3'-Alkylthiofurfurylidene-bis-4-hydroxycoumarins and their oxidation products.
D000818:Animals; D000925:Anticoagulants / Q000138:chemical synthesis*; D002626:Chemistry, Pharmaceutical; D003374:Coumarins / Q000138:chemical synthesis*
D000925:Anticoagulants; D003374:Coumarins