1,4-Naphthalenedione, 2-(3,7,11,15,19,23-hexamethyl-2,6,10,14,18,22-tetracosahexaenyl)-3-methyl-, (all-E)- 13319-10-3 2-Methyl-3-farnesyl-farnesyl-1,4-naphthoquinone 84-81-1 MK-6 Menaquinone 6