Synonyms: Vitamin K hydroquinone;Phytonadiol;Vitamin K1 hydroquinone;3-methyl-2-[(7R,11R)-3,7,11,15-tetramethylhexadec-2-enyl]naphthalene-1,4-diol;2-methyl-3-[(2E,7R,11R)-3,7,11,15-tetramethylhexadec-2-en-1-yl]naphthalene-1,4-diol;(R-(R*,R*-(E)))-2-Methyl-3-(3,7,11,15-tetramethylhexadec-2-enyl)naphthalene-1,4-diol;1,4-Naphthalenediol,2-methyl-3-[(2E,7R,- 11R)-3,7,11,15-tetramethyl-2-hexadecenyl]-;3-methyl-2-[(E,7R,11R)-3,7,11,15-tetramethylhexadec-2-enyl]naphthalene-1,4-diol;