7-(3,4,5-trimethoxyphenyl)-5H-indeno<5,6-d>-1,3-dioxole-5,6-dione 6-oxime

7-(4-Hydroxy-3,5-dimethoxy-phenyl)-6,7-dihydro-indeno[5,6-d][1,3]dioxol-5-one

4-((5S,7R)-7-tert-Butoxy-6,7-dihydro-5H-indeno[5,6-d][1,3]dioxol-5-yl)-2,6-dimethoxy-phenol