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Examples of vitamin K: (A) menadione; (B) phylloquinone; (C) menaquinone 4; (D) menaquinone 7.  

Examples of vitamin K: (A) menadione; (B) phylloquinone; (C) menaquinone 4; (D) menaquinone 7.  

Context in source publication

Context 1
... example, the menaquinone 4 side chain is composed of 4 prenyl. Finally, vitamin K3 or menadione is only constituted by the naph- thoquinone core (Figure 1). ...