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

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

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