CC(C)(C)c1ccnc(O)n1    mol7203    0_1
CC(C)(C)c1cc[nH+]c(O)n1    mol7203    1_1
CC(C)(C)c1ccnc(O)[nH+]1    mol7203    1_2
CC(C)(C)c1ccnc([O-])n1    mol7203    -1_1