CN(C)S(=O)(=O)c1ccc2c(c1)C(=NNC(N)=O)c1cc(S(=O)(=O)N(C)C)ccc1-2
An acid's negative base-10 logarithmic dissociation constant (pka) follows directly from its underlying thermodynamics; pKa is directly proportional to its standard Gibbs free energy change. What is the pka value of this molecule?