Azadirachtin A

(2aR,3S,4S,4aR,5S,7aS,8S,10R,10aS,10bR) -10- (Acetyloxy) octahydro-3,5-dihydroxy-4-methyl-8-[[ (2E) -2-methyl-1-oxo-2-buten-1-yl]oxy]-4-[ (1aR,2S,3aS,6aS,7S,7aS) -3a,6a,7,7a-tetrahydro-6a-hydroxy-7a-methyl-2,7-methanofuro[2,3-b]oxireno[e]oxepin-1a (2H) -yl]-1

COC (=O) [C@@]1 (O) OC[C@@]23[C@H] (C[C@@H] (OC (=O) C) [C@]4 (CO[C@@H] ([C@@H] (O) [C@] (C) ([C@H]12) [C@]56OC5 (C) C7C[C@H]6O[C@@H]8OC=CC78O) [C@H]34) C (=O) OC) OC (=O) \C (=C\C) \C