CCOC(=O)c1cnc(N)nc1N    mol7289    0_1
CCOC(=O)c1cnc([NH3+])nc1N    mol7289    1_1
CCOC(=O)c1c[nH+]c(N)nc1N    mol7289    1_2
CCOC(=O)c1cnc(N)nc1[NH3+]    mol7289    1_3
CCOC(=O)c1cnc(N)[nH+]c1N    mol7289    1_4