(+)-Shikonin 1,4-Naphthalenedione, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (R)- 1,4-Naphthoquinone, 5,8-dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-, (+)- 517-89-5 C.I. 75535 NSC252844 SHIKONIN Tokyo Violet