Cc1c(C(=O)O)nnn1-c1ccccc1 mol11329 0_1 Cc1c(C(=O)[O-])[nH+]nn1-c1ccccc1 mol11329 0_2 Cc1c(C(=O)[O-])n[nH+]n1-c1ccccc1 mol11329 0_3 Cc1c(C(=O)[O-])nnn1-c1ccccc1 mol11329 -1_1