CCCCNc1nc(N)nc(N)n1    mol33891    0_1
CCCCNc1nc(N)nc([NH3+])n1    mol33891    1_1
CCCCNc1nc(N)nc(N)[nH+]1    mol33891    1_2
CCCCNc1nc(N)[nH+]c(N)n1    mol33891    1_3
CCCC[NH2+]c1nc(N)nc(N)n1    mol33891    1_4