N#CSc1nc(N)nc(N)n1    mol7628    0_1
N#CSc1nc(N)[nH+]c(N)n1    mol7628    1_1
N#CSc1nc(N)nc(N)[nH+]1    mol7628    1_2
N#CSc1nc(N)nc([NH3+])n1    mol7628    1_3