(2R,3S,4S)-2-(3,4-dihydroxyphenyl)chroman-3,4,5,7-tetrol 480-17-1 Resivit 2r-(3,4-dihydroxyphenyl)chromane-3t,4t,5,7-tetrol CHEBI:11412 rel-(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,4,5,7-tetrol 2,3-trans-3,4-cis-Leucocyanidin 2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,4,5,7-tetrol 3,3',4,4',5,7-Flavanhexol 3,4-Cyanidiol C05906 Leucoanthocyanidol Leucocianidol Leucocyanidin Leucocyanidol Leukocyanidine Procyanidol