COc1ncc2[nH]cnc2n1 mol4893 0_1 COc1nc2nc[nH]c2c[nH+]1 mol4893 1_1 COc1ncc2[nH]cnc2[nH+]1 mol4893 1_2 COc1ncc2[nH]c[nH+]c2n1 mol4893 1_3 COc1ncc2[n-]cnc2n1 mol4893 -1_1