(+)-Catechin (+)-Catechol (+)-Cyanidan-3-ol 154-23-4 2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)- 3-Cyanidanol, (+)- CATECHIN, D Catechin (flavan) Catechinic acid Catechol Catechol (+) Catechol (flavan) Catechuic acid Catergen Cianidol NSC2819 d-Catechin