Talk:Vitamin K

Article Checklist for "Vitamin K"

Workgroup category or categories	Biology Workgroup, Chemistry Workgroup [Editors asked to check categories]
Article status	External article: from another source, with little change
Underlinked article?	No
Basic cleanup done?	Yes
Checklist last edited by	--Joe Quick (Talk) 00:59, 22 March 2007 (CDT)

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Structures of Vitamin K wrong

By my textbooks (1974 & 1983) the structure of Vitamine K2 is wrong. The repeating part should have n=6, and the double bond within the repeat is missing. I think vitamin K1 might be missing a non-repeating methylene just before the repeating part starts. Can anyone verify that for me? David E. Volk 16:02, 12 October 2007 (CDT)