Cc1nc2cccc(N)c2n1C    mol4487    0_1
Cc1[nH+]c2cccc(N)c2n1C    mol4487    1_1
Cc1nc2cccc([NH3+])c2n1C    mol4487    1_2
Cc1[nH+]c2cccc([NH3+])c2n1C    mol4487    2_1