Nc1ccccc1Sc1cnc([NH3+])nc1[O-] mol9660 0_1 Nc1ncc(Sc2ccccc2N)c(O)n1 mol9660 0_2 Nc1ncc(Sc2ccccc2[NH3+])c([O-])n1 mol9660 0_3 Nc1nc([O-])c(Sc2ccccc2N)c[nH+]1 mol9660 0_4 Nc1ncc(Sc2ccccc2N)c([O-])n1 mol9660 -1_1