<Table> <Tr> <Th_colspan="2"> Vitamin K </Th> </Tr> <Tr> <Td_colspan="2"> Drug class </Td> </Tr> <Tr> <Td_colspan="2"> Vitamin K structures . MK - 4 and MK - 7 are both subtypes of K . </Td> </Tr> <Tr> <Th_colspan="2"> Class identifiers </Th> </Tr> <Tr> <Th> Use </Th> <Td> Vitamin K deficiency, Warfarin overdose </Td> </Tr> <Tr> <Th> ATC code </Th> <Td> B02BA </Td> </Tr> <Tr> <Th> Biological target </Th> <Td> Gamma - glutamyl carboxylase </Td> </Tr> <Tr> <Th_colspan="2"> Clinical data </Th> </Tr> <Tr> <Th> Drugs.com </Th> <Td> Medical Encyclopedia </Td> </Tr> <Tr> <Th_colspan="2"> External links </Th> </Tr> <Tr> <Th> MeSH </Th> <Td> D014812 </Td> </Tr> <Tr> <Td_colspan="2"> In Wikidata </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Vitamin K </Th> </Tr> <Tr> <Td_colspan="2"> Drug class </Td> </Tr>

When is an ai developed for a vitamin or mineral