C11H7O2C5H8nH definition


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From The Collaborative International Dictionary of English v.0.48 [gcide]:

  vitamin K2 \vitamin K2\, vitamins K2 \vitamins K2\n.
     one of the two K vitamins, actually a mixture of homologous
     fat-soluble substituted naphthoquinones (called
     {menaquinones}), ({C11H7O2[C5H8]nH}), where n may be 1 to 13
     but is mostly 7 to 9. The term is also used for synthetic
     compounds resembling vitamin K2 and having the same

     physiological action. The individual components of vitamin K2
     are also referred to by the number of isoprenyl units in the
     side chain (the number n in the formula), as for menadione,
     having no units at that position of the naphthaquinone ring,
     and also called vitamin K2(0) (and also called {vitamin K3}).
     Syn: menaquinones, antihemorrhagic vitamin..
          [WordNet 1.5 +PJC]

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