Dilution Enthalpies and Enthalpic Pairwise Self-Interactions of Nicotinamide and Isonicotinamide in (Dimethylformamide + Water) and (Dimethyl Sulfoxide + Water) Mixed Solvents at 298.15 K Chen, N.; Jia, Z.P.; Wang, H.Q.; Zhu, L.Y.; Hu, X.G.; Journal of Chemical & Engineering Data 2014, 59, 2324-2335