CC(C)Cc1cnc(CC(C)C)c(O)n1    mol3989    0_1
CC(C)Cc1c[nH+]c(CC(C)C)c([O-])n1    mol3989    0_2
CC(C)Cc1c[nH+]c(CC(C)C)c(O)n1    mol3989    1_1
CC(C)Cc1cnc(CC(C)C)c(O)[nH+]1    mol3989    1_2