[O-][n+]1ccccc1-c1nnn[nH]1 mol35953 0_1 O[n+]1ccccc1-c1nnn[n-]1 mol35953 0_2 [O-][n+]1ccccc1-c1nn[nH+][nH]1 mol35953 1_1 O[n+]1ccccc1-c1nnn[nH]1 mol35953 1_2 [O-][n+]1ccccc1-c1[nH]nn[nH+]1 mol35953 1_3 [O-][n+]1ccccc1-c1n[nH+]n[nH]1 mol35953 1_4