1,4-Naphthalenedione, 5,8-dihydroxy-2-(4-methyl-1-(1-oxopropoxy)-3-pentenyl)- 5,8-Dihydroxy-2-(4-methyl-1-(1-oxopropoxy)-3-pentenyl)-1-,4-naphthalenedione 84272-99-1 BRN 5605391 Shikonin propionate