(2aS,2a¹R,4aS,6R,11aR,Z)-2a,6,10-trimethyl-3-(propan-2-ylidene)-2a,2a¹,3,5,6,11a-hexahydro-2H-1,4,12-trioxa-6,9-methanocyclodeca[cd]pentalene-2,7(4aH)-dione

(2R,4R)-4-(2-bromoallyl)-2-(tert-butyl)-4-methyl-5-methylene-1,3-dioxolane

(2S,5R)-5-(2-bromoallyl)-2-(tert-butyl)-5-methyl-1,3-dioxolan-4-one

(R)-2-(2-((2S,3R)-2-((benzyloxy)methyl)-5-oxotetrahydrofuran-3-yl)allyl)-5-ethyl-2-methylfuran-3(2H)-one