What is the chemical name of Vitamin K?

Question: What is the chemical name of Vitamin K?

Options:

Phylloquinone
Ascorbic acid
Cholecalciferol
Tocopherols

• Phytonadione is the chemical name of Vitamin K and its chemical formula is C31H46O2. Vitamin C:
-Chemical Name: Ascorbic acid (C₆H₈O₆)

•  Vitamin D3:
-Chemical Name: Cholecalciferol (C₂₇H₄₄O)

•  Vitamin E:
-Chemical Name: Tocopherols (C₂₉H₅₀O₂)