Which one is not oral anti-coagulant.. Enoxaprine, deep vein thrombosis

publisher :NIL NAM -May 23, 2017

Which one is not oral anti-coagulant?
a- Warfarin.
b- Nicoumolone.
c- Phenidione.
d- Enoxaprine, (deep vein thrombosis)***

Five ml of a colored solution has an absorbance of 0.500. The absorbance of 10ml of the same colored solution will be.. 0.500