c1cnc2c(c1)ccc1ncccc12    mol5067    0_1
c1cnc2c(c1)ccc1[nH+]cccc12    mol5067    1_1
c1c[nH+]c2c(c1)ccc1ncccc12    mol5067    1_2
c1c[nH+]c2c(c1)ccc1[nH+]cccc12    mol5067    2_1