Oc1cnc2cncnc2n1 mol4815 0_1 [O-]c1cnc2c[nH+]cnc2n1 mol4815 0_2 [O-]c1cnc2cnc[nH+]c2n1 mol4815 0_3 [O-]c1c[nH+]c2cncnc2n1 mol4815 0_4 [O-]c1cnc2c[nH+]c[nH+]c2n1 mol4815 1_1 Oc1cnc2c[nH+]cnc2n1 mol4815 1_2 Oc1cnc2cncnc2[nH+]1 mol4815 1_3 Oc1cnc2cnc[nH+]c2n1 mol4815 1_4 [O-]c1c[nH+]c2cnc[nH+]c2n1 mol4815 1_5 Oc1c[nH+]c2cncnc2n1 mol4815 1_6 [O-]c1c[nH+]c2c[nH+]cnc2n1 mol4815 1_7 [O-]c1cnc2cncnc2n1 mol4815 -1_1