(1R,3R,4R,6S,9S)-methyl 4-((R)-2-methoxy-2-phenylacetoxy)-6-methyl-1-(prop-1-en-2-yl)-7-oxatricyclo[4.3.0.03,9]nonane-9-carboxylate

((1aR,1a1S,2S,3aR,5S,5aR)-5-(((benzyloxy)carbonyl)oxy)-1a-hydroxy-2-methyltetrahydro-1H-3,4-dioxa-2,5-methanocyclobuta[cd]pentalen-1a1(3aH)-yl)methyl benzoate

((1aR,1a1R,2S,3aR,5S,5aR)-5-(((benzyloxy)carbonyl)oxy)-2-methyl-1a-(prop-1-en-2-yl)tetrahydro-1H-3,4-dioxa-2,5-methanocyclobuta[cd]pentalen-1a1(3aH)-yl)methyl benzoate