4-Pyrimidinecarboxylic acid, 1,2,3,6-tetrahydro-2,6-dioxo-, zinc salt (2:1) 68399-76-8 EINECS 269-988-0 Zinc 1,2,3,6-tetrahydro-2,6-dioxopyrimidine-4-carboxylate (1:2) Zinc orotate