Clc1ccc(Cl)c(Nc2nnn[nH]2)c1 mol36194 0_1 Clc1ccc(Cl)c(Nc2nnn[n-]2)c1 mol36194 -1_1 Clc1ccc(Cl)c([N-]c2nnn[nH]2)c1 mol36194 -1_2