2816-25-3;endo-(2s,7R)-Tricyclo[6.2.2.0(2,7)]-4,9-dodecadiene-3,6-dione;endo-1,4a,8,8a-tetrahydro-1,4-ethanonaphthalene-5,8-dione;ghl.PD_Mitscher_leg0.295;Tricyclo[6.2.2.0(2,7)]-4,9-dodecadiene-3,6-dione;NSC108091