1,4-Naphthalenedione, 2-hydroxy-3-(3-methyl-2-butenyl)- 1,4-Naphthoquinone, 2-hydroxy-3-(3-methyl-2-butenyl)- 2-Hydroxy-3-(3-methyl-2-butenyl)-1,4-naphthoquinone 84-79-7 Bethabarra Wood C.I. 75490 C.I. Natural Yellow 16 Greenhartin Ipe-tobacco Wood LAPACHOL Lapachol Wood NSC 11905 NSC11905 Surinam Greenheart Wood Taigu Wood Taiguic acid Tecomin WLN: L66 BV EVJ CQ D2UY1&1