CCc1cccc2c3c([nH]c12)[C@@](CC)(CC(=O)O)OCC3 mol17502 0_1 CCc1cccc2c3c([n-]c12)[C@@](CC)(CC(=O)O)OCC3 mol17502 -1_1 CCc1cccc2c3c([nH]c12)[C@@](CC)(CC(=O)[O-])OCC3 mol17502 -1_2