Synonyms: 2-Flavansulfonicacid, 3,3',4',5,7-pentahydroxy-, monosodium salt (8CI);2H-1-Benzopyran-2-sulfonic acid,2-(3,4-dihydroxyphenyl)-3,4-dihydro-3,5,7-trihydroxy-, monosodium salt,(2R,3S)- (9CI); 2H-1-Benzopyran-2-sulfonic acid,2-(3,4-dihydroxyphenyl)-3,4-dihydro-3,5,7-trihydroxy-, monosodium salt, cis-;(+)-Epicatechin-2-sodium sulfonate; (+)-Epicatechin-2-sulfonate sodium; Sodium(+)-epicatechin-2-sulfonate; Sodium (+)-epicatechol-2-sulfonate; Sodiumepicatechin-2-sulfonate; Z 7050