(1R,2R,5S,6S)-3-(((tert-butyldimethylsilyl)oxy)methyl)-4-(1,4-dimethoxy-5-(methoxymethoxy)naphthalen-2-yl)-1-methyl-7-oxabicyclo[4.1.0]hept-3-ene-2,5-diyl diacetate

(1R,2R,5S,6S)-2,5-diacetoxy-4-(1,4-dimethoxy-5-(methoxymethoxy)naphthalen-2-yl)-1-methyl-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid

tributyl(1,4-dimethoxy-5-(methoxymethoxy)naphthalen-2-yl)stannane

(1R,5R,6R)-4-(((tert-butyldimethylsilyl)oxy)methyl)-3-(1,4-dimethoxy-5-(methoxymethoxy)naphthalen-2-yl)-5-hydroxy-6-methyl-7-oxabicyclo[4.1.0]hept-3-en-2-one

(1R,2R,6R)-3-(((tert-butyldimethylsilyl)oxy)methyl)-4-(1,4-dimethoxy-5-(methoxymethoxy)naphthalen-2-yl)-1-methyl-5-oxo-7-oxabicyclo[4.1.0]hept-3-en-2-yl acetate