(2S,3R,E)-3-((tert-butyldimethylsilyl)oxy)-1-((3aR,6S,7aS)-8,8-dimethyl-2,2-dioxidotetrahydro-3H-3a,6-methanobenzo[c]isothiazol-1(4H)-yl)-6-((4-methoxybenzyl)oxy)-2-methylhex-4-en-1-one

(2S,3R,4E)-3-hydroxy-N-methoxy-6-(4-methoxybenzyloxy)-2-N-dimethylhex-4-enamide

(6R,7R,2E,4E,8E)-7-(tert-butyldimethylsilyloxy)-10-hydroxy-2,4,6-trimethyldeca-2,4,8-trienoic acid ethyl ester

(2S,3R,4E)-3-(tert-butyldimethylsilyloxy)-N-methoxy-6-(4-methoxybenzyloxy)-2-N-dimethylhex-4-enamide

(4R,5R,2E,6E)-5-(tert-butyldimethylsilyloxy)-8-(4-methoxybenzyloxy)-2,4-dimethylocta-2,6-dienoic acid ethyl ester