CC1=Nc2nc(C)c(C)nc2[C@@](C)(O)N1    mol8153    0_1
CC1=Nc2nc(C)c(C)[nH+]c2[C@@](C)(O)N1    mol8153    1_1
CC1=[NH+]c2nc(C)c(C)nc2[C@@](C)(O)N1    mol8153    1_2
CC1=Nc2[nH+]c(C)c(C)nc2[C@@](C)(O)N1    mol8153    1_3