76-30-2 Butanedioic acid, 2,2,3,3-tetrahydroxy- Butanedioic acid, tetrahydroxy- Dihydroxytartaric acid Dioxytartaric acid NSC4647 Succinic acid, tetrahydroxy- Tartaric acid, dihydroxy- Tetrahydroxysuccinic acid