2(3H)-Furanone,dihydro-3-hydroxy-3,4-bis((4-hydroxy-3-methoxyphenyl)methyl)-,(3R-cis) 34444-37-6 8'-(R)-4,4',8-Trihydroxy-3,3'-dimethoxylignanolide Dibenzylbutyrolactone Dihydro-3-hydroxy-3,4-bis((4-hydroxy-3-methoxyphenyl)methyl)-2(3H)-furanone NSC 271296 Nortrachelogenin Wikstromol