The molecule is a menaquinol whose structure comprises a 2-methylbenzohydroquinone nucleus and a side chain of eight isoprenoid units. It has a role as an electron donor.
2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E)-3,7,11,15,19,23,27,31-octamethyldotriaconta-2,6,10,14,18,22,26,30-octaenyl]naphthalene-1,4-diol