111254-08-1 2,6-Dimethyl-1,4-dihydropyridine-3,5-dicarboxylic hydroxyacetate 2,6-Dmpdha 3,5-Pyridinedipropanoic acid, 1,4-dihydro-alpha,alpha'-dihydroxy-2,6-dimethyl-beta,beta'-dioxo-