149560-83-8 Bicyclo(3.2.1)oct-3-ene-2,8-dione, 7-(4-hydroxy-3-methoxyphenyl)-5-methoxy-6-methyl-3-(2-propenyl)-, (1R-(6-endo,7-exo))- Kadsurenin K delta(8')-3,5'-Dimethoxy-4-hydroxy-2',3',4',5'-tetrahydro-2',4'-dioxo-7.3',8.5'-neolignan