4H-1-Benzopyran-4-one,2-[(2R,3R)-3-(3,5- dihydroxyphenyl)-2,3-dihydro-6-hydroxy-2- (4-hydroxyphenyl)-5-benzofuranyl]-2,3- dihydro-5,7-dihydroxy-8-(3-methyl-2- butenyl)-,(2S)-
CAS No. 136997-68-7