—— |
rac-methyl (2aR,4aR,8aS,8bS)-8b-methyl-3-oxo-2a,4a,5,7,8,8b-hexahydrospiro[cyclobuta[c]chromene-6,2'-[1,3]dioxolane]-8a(3H)-carboxylate |
78217-57-9 |
C16H20O6 |
308.331 |
—— |
methyl (4'aR,8'aS)-2'-oxospiro[1,3-dioxolane-2,7'-5,6,8,8a-tetrahydrochromene]-4'a-carboxylate |
78217-51-3 |
C13H16O6 |
268.266 |
—— |
9,9-ethylenedioxy-6-methoxycarbonyl-5-methyl-2-oxabicyclo<4.4.0>dec-4-en-3-one |
78217-53-5 |
C14H18O6 |
282.293 |
—— |
(4aR,8aS)-7-Ethoxy-2-oxo-8,8a-dihydro-2H,5H-chromene-4a-carboxylic acid methyl ester |
78217-50-2 |
C13H16O5 |
252.267 |