(5S,5aR,8aR,9R)-5-ethylsulfanyl-9-(4-hydroxy-3,5-dimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-8-one

5-chloro-9-(3,4,5-trimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-8-one

6-(3,4,5-trimethoxybenzoyl)-1,3-benzodioxole-5-carboxylic acid