2-Methyl-1,4-dihydroxynaphthalene2-Methyl-1,4-naphthalenediolMenadiolmenadiolmenadiol2-Methyl-1,4-naphthoquinol2-Methyl-1,4-naphthohydroquinoneReduced menadione2-Methylnaphthalene-1,4-diolMethylnaphthohydroquinone2-MethylhydronaphthoquinoneReduced vitamin K3Vitamin K3H2Dihydrovitamin K3