CCOc1ncc2ncn(C)c2n1    mol8298    0_1
CCOc1ncc2ncn(C)c2[nH+]1    mol8298    1_1
CCOc1ncc2[nH+]cn(C)c2n1    mol8298    1_2
CCOc1nc2c(c[nH+]1)ncn2C    mol8298    1_3