2-Chloro-1,4-dihydroxy-3-(4-methyl-pent-3-enyl)-anthraquinone 2-chloro-1,4-dihydroxy-3-(4-methylpent-3-en-1-yl)anthra-9,10-quinone 9,10-anthracenedione, 2-chloro-1,4-dihydroxy-3-(4-methyl-3-pentenyl)- Anthrasesamone C InChI=1/C20H17ClO4/c1-10(2)6-5-9-13-16(21)20(25)15-14(19(13)24)17(22)11-7-3-4-8-12(11)18(15)23/h3-4,6-8,24-25H,5,9H2,1-2H