FC(F)(F)c1cccc(Nc2ncnc3ccccc23)c1 SM02 0_1 FC(F)(F)c1cccc(Nc2nc[nH+]c3ccccc23)c1 SM02 1_1 FC(F)(F)c1cccc(Nc2[nH+]cnc3ccccc23)c1 SM02 1_2 FC(F)(F)c1cccc([NH2+]c2ncnc3ccccc23)c1 SM02 1_3