The molecule is a menaquinone whose side-chain contains 4 isoprene units in an all-trans-configuration. It has a role as a bone density conservation agent and a human metabolite.
2-methyl-3-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenyl]naphthalene-1,4-dione