IUPAC:1-(acetyloxy)-5-cyano-3,7-dihydroxy-3-methyl-2-[(2-methylpropanoyl)oxy]-6,11-dioxo-1H,2H,3H,4H,5H,6H,11H-benzo[b]carbazol-4-yl 2-methylpropanoate
IUPAC:1-(acetyloxy)-5-cyano-3,7-dihydroxy-3-methyl-2-[(2-methylpropanoyl)oxy]-6,11-dioxo-1H,2H,3H,4H,5H,6H,11H-benzo[b]carbazol-4-yl 2-methylpropanoate