(1S,2R,4S,5R,6S)-3-azido-4,5-(isopropylidendioxy)-2-[6-vinyl-3,4-(methylendioxy)-phenyl]-7-oxabicyclo[4.1.0]heptan

(1R,2R,3S,4S,5R,6R)-4,5-(isopropylidendioxy)-2-[6-vinyl-3,4-(methylendioxy)-phenyl]-7-oxabicyclo[4.1.0]heptan-3-ol

1-bromo-2-ethenyl-4,5-(methylenedioxy)benzene

5,6-exo-(isopropylidenedioxy)-2-phenylsulfonyl-7-oxabicyclo[2.2.1]hept-2-ene

(1R,2S,3R,6R)-5-(phenylsulfonyl)-2,3-isopropylidendioxy-6-[6-vinyl-3,4-(methylendioxy)-phenyl]-cyclohex-4-en-1-ol