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phytonadione
Wiktionary
phytonadione

n. 1 (context organic compound English) phylloquinone 2 vitamin K1

WordNet
phytonadione

n. a form of vitamin K [syn: vitamin K1, phylloquinone]

Usage examples of "phytonadione".

That mimics a Coumadin overdose on testing, and phytonadione will shore up the effectiveness of the bit you have.