Synonyms: Shikonin angelate;AC1O5YBN;[(1R)-1-(5,8-dihydroxy-1,4-dioxonaphthalen-2-yl)-4-methylpent-3-enyl] (Z)-2-methylbut-2-enoate;2-Butenoic acid, 2-methyl-, 1-(1,4-dihydro-5,8-dihydroxy-1,4-dioxo-2-naphthalenyl)-4-methyl-3-pentenyl ester, (R-(Z))-;57094-89-0