Alkannin

Synonyms: (S)-5,8-Dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthalenedione, 5,8-Dihydroxy-2-[(1S)-1-hydroxy-4-methyl-3-pentenyl]-1,4-naphthalenedione, (-)-5,8-Dihydroxy-2-(1-hydroxy-4-methyl-3-pentenyl)-1,4-naphthoquinone, 5,8-Dihydroxy-2-[(1S)-1-hydroxy-4-methyl-3-penten-1-yl]-1,4-naphthalenedione, (-)-Alkannin, Alkanet Extract, Alkanna Red, Anchusa Acid, Anchusin, C.I. 75530, C.I. Natural Red 20, NSC 94524;