c1ncc2c(n1)NCCN2    mol4836    0_1
c1ncc2c([nH+]1)NCCN2    mol4836    1_1
c1ncc2c(n1)NCC[NH2+]2    mol4836    1_2
c1nc2c(c[nH+]1)NCCN2    mol4836    1_3
c1ncc2c(n1)[NH2+]CCN2    mol4836    1_4