111554-98-4 4H-Bisoxireno[1,8a:2,3]azuleno[4,5-b]furan-2(3H)-one,4-(acetyloxy)octahydro-6-hydroxy-3,6,8a-trimethyl-, [3S-(3a,3aa,4a,6a,6aR*,7aa,7ba,8aa,8ba,8cb)]- 111113-89-4 2,4-Dioxa-7,12-diazaspiro[5.6]dodeca-7,9,11-triene-9-carboxylic acid,8,10,11-tris(1,1-dimethylethyl)-3,3-dimethyl-1,5-dioxo-,1,1-dimethylethyl ester