The Complete List of Suppliers for 2-Butenoic acid,2-methyl-,5,6,7,8-tetrahydro-6-hydroxy-2,3-dimethoxy-6,7-dimethyl-1-oxo-1H,14H-benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran-5,8-diylester, stereoisomer (9CI)
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![137637-50-4,2-Butenoic acid,2-methyl-,5,6,7,8-tetrahydro-6-hydroxy-2,3-dimethoxy-6,7-dimethyl-1-oxo-1H,14H-benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran-5,8-diylester, stereoisomer (9CI),1H,14H-Benzo[1,8]cycloocta[1,2,3-cd][1,3]dioxolo[4,5-g]benzofuran,2-butenoic acid deriv.; Kadsulignan D](http://www.lookchem.com/300w/2010/0611/137637-50-4.jpg)