CCNc1nc(NCC)nc(OC)n1    mol7613    0_1
CCNc1nc([NH2+]CC)nc(OC)n1    mol7613    1_1
CCNc1nc(OC)nc(NCC)[nH+]1    mol7613    1_2
CCNc1nc(NCC)[nH+]c(OC)n1    mol7613    1_3