SEARCH Articles Figures Tables 1.4- Dihydropyridines 1.4- Dihydropyridines, synthesis Dihydropyridine Dihydropyridine synthesis Dihydropyridines, Hantzsch synthesis Hantzsch Hantzsch dihydropyridine Hantzsch dihydropyridine synthesis Hantzsch dihydropyridines Hantzsch synthesis Hantzschs Synthesis