Synonyms: 1,4-Naphthalenedione,2-hydroxy-3-(3-methyl-2-butenyl)- (9CI); 1,4-Naphthoquinone,2-hydroxy-3-(3-methyl-2-butenyl)- (7CI,8CI); Lapachol (6CI);2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphthalenedione;2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphthoquinone; Bethabarra Wood; C.I.75490; C.I. Natural Yellow 16; Greenhartin; Ipe-tobacco Wood; Lapachol Wood;NSC 11905; NSC 629756; Surinam Greenheart Wood; Taigu Wood; Taiguic acid;Tecomin