Scientific Names: (2R,3S)-Flavan-3,4′,7-triol, (2R,3S)-2-(4-Hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-2,7-diol
Guibourtinidol is classified as a polyphenol flavanol within the flavan-3-ol category. It is present in the heartwood of Cassia abbreviata.