1,4-Naphthalenedione, 2-hydroxy-3-(3-methylbutyl)- (9CI) 1,4-Naphthoquinone, 2-hydroxy-3-isopentyl- (8CI) 2-Hydroxy-3-(3-methylbutyl)-1,4-naphthoquinone 3343-38-2 Hydrolapachol NSC 26695