SEARCH Articles Figures Tables 1 -Methyl-4-acyl-1,2,5,6-tetrahydropyridines 1-Methyl-1,2,5,6-tetrahydropyridine 2-Acyl-1-methyl 6- -2,3,4,5-tetrahydropyridin L-stability Methyl acylate Methyl acylation Relative stability Stability thermodynamics Stability, stabilization thermodynamics Tetrahydropyridines Thermodynamic stabilization Thermodynamical stability