CSc1nc2nc(N)ncc2[nH]1 mol8264 0_1 CSc1[nH]c2cnc(N)nc2[nH+]1 mol8264 1_1 CSc1nc2nc(N)[nH+]cc2[nH]1 mol8264 1_2 CSc1nc2[nH+]c(N)ncc2[nH]1 mol8264 1_3 CSc1nc2nc([NH3+])ncc2[nH]1 mol8264 1_4 CSc1nc2nc(N)ncc2[n-]1 mol8264 -1_1