O=C([O-])Cc1n[nH+]nn1-c1ccccc1 mol15698 0_1 O=C([O-])Cc1[nH+]nnn1-c1ccccc1 mol15698 0_2 O=C([O-])Cc1nn[nH+]n1-c1ccccc1 mol15698 0_3 O=C(O)Cc1nnnn1-c1ccccc1 mol15698 0_4 O=C([O-])Cc1nnnn1-c1ccccc1 mol15698 -1_1