N-[(1R,5R,6S)-5-[(tert-butyldimethylsilyl)oxy]-2-oxo-7-oxabicyclo[4.1.0]hept-3-en-3-yl]acetamide

(1S,4R,4aS,8R,8aR)-8-hydroxy-4,4a,8,8a-tetrahydro-1,4-methanonaphthalen-5(1H)-one

(1S,4R,4aS,8R,8aR)-8-((tert-butyldimethylsilyl)oxy)-4,4a,8,8a-tetrahydro-1,4-methanonaphthalen-5(1H)-one

(1R,2S,6S,7R,8S)-6-[(tert-butyldimethylsilyl)oxy]-4-iodotricyclo[6.2.1.02,7]undeca-4,9-dien-3-one