The molecule is a limonoid that is salannin in which the furanyl group at position 17 is replaced by an oxo group. Isolated from Azadirachta indica, it exhibits anti-inflammatory activity. It has a role as an anti-inflammatory agent. It is a limonoid, an organic heteropentacyclic compound, an acetate ester, a cyclic terpene ketone, an enone and a methyl ester. It derives from a tiglic acid and a salannin.
[(1R,2S,4R,9R,10R,11R,12S,14R,15R,18R)-14-acetyloxy-10-(2-methoxy-2-oxoethyl)-7,9,11,15-tetramethyl-6-oxo-3,17-dioxapentacyclo[9.6.1.02,9.04,8.015,18]octadec-7-en-12-yl] (E)-2-methylbut-2-enoate