title: [pi-Electron rich, benzocondensed heteroaromates as "inverse" dienophils].
mesh_terms: D002264:Carboxylic Acids; D055598:Chemical Phenomena; D002621:Chemistry; D006571:Heterocyclic Compounds; D007202:Indicators and Reagents; D011724:Pyridazines
chemical_list: D002264:Carboxylic Acids; D006571:Heterocyclic Compounds; D007202:Indicators and Reagents; D011724:Pyridazines
vernacular_title: pi-Elektronenreiche, benzokondensierte Heteroaromaten als "inverse" Dienophile