Synonyms: Salannin;Azadriactin;Neem extract;Margosan-O;Azadirachtin, Neem;Margosan-O-Concentrate;Caswell No. 594A;992-20-1;2H,3H-Cyclopenta(d')naphtho(1,8-bc:2,3-b')difuran-6-acetic acid, 3-(acetyloxy)-8-(3-furanyl)-2a,4,5,5a,6,6a,8,9,9a,10a,10b,10c-dodecahydro-2a,5a,6a,7-tetramethyl-5-(((2E)-2-methyl-1-oxo-2-butenyl)oxy)-, methyl ester, (2aR,3R,5S,5aR,6R,6aR,8R,9aR,10aS,10bR,10cR)-;2H,3H-Cyclopenta(d')naphtho(1,8-bc:2,3-b')difuran-6-acetic acid, 3-(acetyloxy)-8-(3-furanyl)-2a,4,5,5a,6,6a,8,9,9a,10a,10b,10c-dodecahydro-2a,5a,6a,7-tetramethyl-5-((2-methyl-1-oxo-2-butenyl)oxy)-, methyl ester, (2aalpha,3beta,5beta(E), 5aalpha,6alpha,6aalpha,8beta,9abeta,10aalpha,10balpha,10cbeta)-(+)-