SEARCH Articles Figures Tables 2,4-Hexadienedioic acid, 3-methyl-4-phenyl dimethyl ester, cobalt complex 2,4-Hexadienedioic acid, 3-methyl-4phenyl, dimethyl ester, cobalt complex 2-Pentenedioic acid, 3-methyl-2- -, dimethyl ester, cobalt complex 2-Propynoic acid, 3-phenyl-, methyl ester cobalt complex Benzene, methyl-, cobalt complex Benzene, methyl-, cobalt complex manganese complexes Methyl complex