Synonyms: Danaden retard;AC1L4TP0;EP 50/100;(2R,3R)-2,3-dihydroxybutanedioic acid; 5-[[[5-hydroxy-4-(hydroxymethyl)-6-methylpyridin-3-yl]methyldisulfanyl]methyl]-4-(hydroxymethyl)-2-methylpyridin-3-ol; pyridin-3-ylmethanol;3-Pyridinemethanol, (R-(R*,R*))-2,3-dihydroxybutanedioate (1:1) (salt), mixt. with 3,3'-(dithiobis(methylene))bis(5-hydroxy-6-methyl-4-pyridinemethanol)