'C31H46O2' definitions:

Definition of 'C31H46O2'

From: GCIDE

vitamin K1 \vitamin K1\ n. one of the two K vitamins, (C31H46O2). It is fat-soluble and occurs naturally as the trans isomer. Chemically it is 2-methyl-3-phytyl-1,4,-naphthoquinone.
Syn: phylloquinone, phytonadione, antihemorrhagic vitamin.. [WordNet 1.5 +PJC] vitamin K2