19____Z1_1 CC(=O)c1ccc(cc1)O[Cu] C[Cu] CC(C)CO[Cu]
18____Z1_2 CC(=O)c1ccc(cc1)O[Cu] CO[Cu] CCCO[Cu]
20____Z1_1 CC(=O)c1ccc(cc1)O[Cu] CO[Cu] CC(C)CO[Cu]
17____Z1_1 CC(=O)c1ccc(cc1)O[Cu] C[Cu] CCCO[Cu]