Thermodynamic Study of Four {Methylpiperidine + Water} Systems: New Experimental Data and Challenging Modeling for the Simultaneous Representation of Liquid-Liquid Equilibrium and Energetic Properties Moine, E.; Coulier, Y.; Coxam, J.Y.; Ballerat-Busserolles, K.; Privat, R.; Journal of Chemical & Engineering Data 2019, 64, 743-754