CC(C)n1nnnc1N    mol4300    0_1
CC(C)n1nnnc1[NH3+]    mol4300    1_1
CC(C)n1n[nH+]nc1N    mol4300    1_2
CC(C)n1[nH+]nnc1N    mol4300    1_3
CC(C)n1nn[nH+]c1N    mol4300    1_4