Philligenin Phillygenin, >98% 4-[(3S,3aR,6R,6aR)-6-(3,4-dimethoxyphenyl)-1,3,3a,4,6,6a-hexahydrofuro[3,4-c]furan-3-yl]-2-methoxyphenol (+)-Phillygenin (1S)-1β-(3-Methoxy-4-hydroxyphenyl)-4α-(3,4-dimethoxyphenyl)-3aβ,4,6,6aβ-tetrahydro-1H,3H-furo[3,4-c]furan (1S,3aβ,6aβ)-1β-(3-Methoxy-4-hydroxyphenyl)-4α-(3,4-dimethoxyphenyl)tetrahydro-1H,3H-furo[3,4-c]furan 4-[[(1S)-4α-(3,4-Dimethoxyphenyl)-3aβ,4,6,6aβ-tetrahydro-1H,3H-furo[3,4-c]furan]-1β-yl]-2-methoxyphenol Phillygenin