Warfarina
4-hidroxi-3-(1-fenil-3-oxo-butuil)-cumarina/ 3-alfa-fenil-beta-acetiletil)4- hidroxicumarina. Nomres comerciales: Athrombine-K/ Brumolin/ Compound 42/ Coumadin/ d-CON/ Kumadu/ Mar-frin/ Maveran/ Ratoxin/ Temus W/ Warf Compound 42/ Warficide.