SEARCH Articles Figures Tables 1.4- Dihydropyridines 1.4- Dihydropyridines, synthesis Dihydropyridine Dihydropyridine synthesis Hantzsch Hantzsch 1,4-dihydropyridine synthesi Hantzsch dihydropyridine Hantzsch dihydropyridine synthesis Hantzsch dihydropyridine synthesis Hantzsch dihydropyridines Hantzsch synthesis Hantzsch-dihydropyridine synthesis reaction Hantzschs Synthesis Three-component Hantzsch 1,4-dihydropyridine synthesis