
1) Antihemorrhagic factor 2) Naphthoquinone 3) Vitamin k 4) Vitamin k3
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https://www.crosswordclues.com/clue/menadione

Menadione is a synthetic chemical compound sometimes used as a nutritional supplement because of its vitamin K activity. It is an analog of 1,4-naphthoquinone with a methyl group in the 2-position. ==Terminology== It is sometimes called vitamin K3, although derivatives of naphthoquinone without the side chain in the 2-position cannot exert all the...
Found on
http://en.wikipedia.org/wiki/Menadione

A fat soluble vitamin that plays an important role in blood clotting. ... (27 Sep 1997) ...
Found on
http://www.encyclo.co.uk/local/20973

(men″ә-di´ōn) vitamin K3. a synthetic fat-soluble vitamin that can be converted in the body to active vitamin K; administered orally or intramuscularly. the basic double ring quinone structure that is the parent structure of the related compounds with vitamin K activity, which can be formed...
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http://www.encyclo.co.uk/local/21001

(= vitamin K3; 2-methyl-1,4-naphthalene dione.) Synthetic naphthoquinone derivative with properties similar to those of Vitamin K. See also Table V1.
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http://www.encyclo.co.uk/visitor-contributions.php

Type: Term Pronunciation: men′ă-dī′ōn Definitions: 1. The root of compounds that are 3-multiprenyl derivatives of menadione and known as the menaquinones or vitamins K
2. Synonyms: vitamin K3
Found on
http://www.medilexicon.com/medicaldictionary.php?t=54072
No exact match found.