CCCC(CC(=O)O)(CC(=O)O)c1ccccc1 mol11941 0_1 CCCC(CC(=O)[O-])(CC(=O)O)c1ccccc1 mol11941 -1_1 CCCC(CC(=O)[O-])(CC(=O)[O-])c1ccccc1 mol11941 -2_1