SEARCH Articles Figures Tables 1,4-dihydropyridine compounds 1.4- Dihydropyridines Aromatic compounds heterocycles Aromaticity aromatic heterocycles Aromaticity heterocyclic aromatic compounds Aromaticity heterocyclics Dihydropyridine Heterocycles aromatic Heterocycles aromatization Heterocyclic aromatics Heterocyclic compounds aromatic Heterocyclic compounds aromatic heterocycles