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भिटामिन के
Drug class
Use	Vitamin K deficiency
Biological target	Gamma-glutamyl carboxylase
ATC code	B02BA
External links
MeSH	D014812
AHFS/Drugs.com	Medical Encyclopedia

Vitamin K₁ (phylloquinone). Both forms of the vitamin contain a functional naphthoquinone ring and an aliphatic side-chain. Phylloquinone has a phytyl side-chain.

Vitamin K₂ (menaquinone). In menaquinone the side-chain is composed of a varying number of isoprenoid residues.

A sample of Phytomenadione (vitamin K₁) for injection