2(3H)-Furanone, 4-((3,4-dimethoxyphenyl)methyl)dihydro-3-((4-hydroxy-3-methoxyphenyl)methyl)-, (3R,4R)- 2(3H)-Furanone, 4-((3,4-dimethoxyphenyl)methyl)dihydro-3-((4-hydroxy-3-methoxyphenyl)methyl)-, (3R-trans)- 26687-78-5 41328-87-4 7770-78-7 Arctigenin