(1aS,2S,10R,10aR)-10-acetoxy-3,8-dimethoxy-7-(methoxymethoxy)-10a-methyl-9-oxo-1a,9,10,10a-tetrahydro-2H-benzo[6,7]fluoreno[2,3-b]oxiren-2-yl 4-azidobutanoate

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

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

(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

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

(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

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

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

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