Oc1cccc2nnccc12 mol2476 0_1 [O-]c1cccc2n[nH+]ccc12 mol2476 0_2 [O-]c1cccc2[nH+]nccc12 mol2476 0_3 Oc1cccc2[nH+]nccc12 mol2476 1_1 [O-]c1cccc2[nH+][nH+]ccc12 mol2476 1_2 Oc1cccc2n[nH+]ccc12 mol2476 1_3 [O-]c1cccc2nnccc12 mol2476 -1_1