(3R,3aR,6R,7aR,8R)-7a-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-4-((2R,3R)-3,5,7-trihydroxy-4-oxochroman-2-yl)-3,3a,6,7a-tetrahydro-3,6-methanobenzofuran-7(2H)-one; Silidianin; Silidianine; (+)-2,3?,3a?,7a-Tetrahydro-7a?-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-4-(3?,5,7-trihydroxy-4-oxo-2?-chromanyl)-3,6-methanobenzofuran-7(6?H)-one; [3R-[3?,3a?,4(2R*,3R*),6?,7a?,8R*]]-4-(3,4-Dihydro-3,5,7-trihydroxy-4-oxo-2H-1-benzopyran-2-yl)-2,3,3a,7a-tetrahydro-7a-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-3,6-methanobenzofuran-7(6H)-one; (3R,3aR,6R,7aR,8R)-4-[(2R,3R)-3,4-dihydro-3,5,7-trihydroxy-4-oxo-2H-1-benzopyran-2-yl]-2,3,3a,7a-tetrahydro-7a-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-3,6-methanobenzofuran-7(6H)-one
(3R,3aR,6R,7aR,8R)-7a-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-4-((2R,3R)-3,5,7-trihydroxy-4-oxochroman-2-yl)-3,3a,6,7a-tetrahydro-3,6-methanobenzofuran-7(2H)-one; Silidianin; Silidianine; (+)-2,3?,3a?,7a-Tetrahydro-7a?-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-4-(3?,5,7-trihydroxy-4-oxo-2?-chromanyl)-3,6-methanobenzofuran-7(6?H)-one; [3R-[3?,3a?,4(2R*,3R*),6?,7a?,8R*]]-4-(3,4-Dihydro-3,5,7-trihydroxy-4-oxo-2H-1-benzopyran-2-yl)-2,3,3a,7a-tetrahydro-7a-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-3,6-methanobenzofuran-7(6H)-one; (3R,3aR,6R,7aR,8R)-4-[(2R,3R)-3,4-dihydro-3,5,7-trihydroxy-4-oxo-2H-1-benzopyran-2-yl]-2,3,3a,7a-tetrahydro-7a-hydroxy-8-(4-hydroxy-3-methoxyphenyl)-3,6-methanobenzofuran-7(6H)-one