1 SWF S-warfarin 1.000 2 RWF R-warfarin 1.000 3 U01 3-[1-(4-bromo-phenyl)-2-methyl-propyl]-4-hydroxy-chromen-2-one 0.840 4 U03 4-hydroxy-7-methoxy-3-(1-phenyl-propyl)-chromen-2-one 0.840 5 NIU 6,7,8,9-tetrahydro-4-hydroxy-3-(1-phenylpropyl)cyclohepta[B]pyran-2-one 0.800 6 UIN 5,6,7,8,9,10-hexahydro-4-hydroxy-3-(1-phenylpropyl)cycloocta[B]pyran-2-one 0.769