CC1=Nc2nccnc2[C@@H](O)N1    mol4770    0_1
CC1=Nc2[nH+]ccnc2[C@@H](O)N1    mol4770    1_1
CC1=[NH+]c2nccnc2[C@@H](O)N1    mol4770    1_2
CC1=Nc2ncc[nH+]c2[C@@H](O)N1    mol4770    1_3