Methylnaphthohydroquinone, 2-methylnaphthalene-1,4-diol, Reduced vitamin K3, Menadiol, 2-methyl-1,4-naphthalenediol, Dihydrovitamin K3, 2-Methyl-1,4-naphthalindiol, Vitamin K3H2, Reduced menadione, protrombrovit, 2-Methyl-1,4-naphthohydroquinone, 2-methyl-1,4-dihydroxynaphthalene