phytomenadione molecule, structural chemical formula, ball-and-stick model, image vitamin k1

phytomenadione vitamin phylloquinone molecule molecular structure chemical formula isolated model c31h46o2 atom chemistry compound blood oxygen atomic hydrogen supplement coagulation carbon composition science drawing drug skeletal illustration deficiency organic medicine scientific health structural substance dietary nutrient icon anticoagulant bond research biochemistry bone element diet flat food ball- -stick image ball- -stick k1