(2R,3R,3aR,4R,4aR,5S,8R,8aS,5'S,7E)-2-(5',7'-dimethyl-8'-iodo-7'-octen-1'-yl)-5,10,10-trimethyl-5,8-methanooctahydro-2H-isoxazolo[3,2-b]benzoxazole-3-methanol

(2R,3R,3aR,4R,4aR,5S,8R,8aS,5'S,7E)-2-(5',7'-dimethyl-8'-iodo-7'-octen-1'-yl)-5,10,10-trimethyl-5,8-methanooctahydro-2H-isoxazolo[3,2-b]benzoxazole-3-carboxylic acid ethyl ester

(2E,4E)-(R)-3,5,7-Trimethyl-11-((2R,3R)-4-oxo-3-trityloxymethyl-oxetan-2-yl)-undeca-2,4-dienoic acid tert-butyl ester

(2E,4E)-(7R,12R,13R)-12-Hydroxy-3,5,7-trimethyl-13-trityloxymethyl-tetradeca-2,4-dienedioic acid 1-tert-butyl ester

(2R,3R,3aR,4R,4aR,5S,8R,8aS,5'S,7E)-2-(10'-(1,1)-dimethylethyloxycarbonyl-5',7',9'-trimethyl-7',9'-decadien-1'-yl)-3-[(1,1,1-triphenyl)methoxymethyl]-5,10,10-trimethyl-5,8-methanooctahydro-2H-isoxazolo[3,2-b]benzoxazole