[Tetrahydrobenzodipyrandiones and tetrahydrobenzodipyrans (author's transl)].
D001578:Benzopyrans / Q000138:chemical synthesis*; D002384:Catalysis; D055598:Chemical Phenomena; D002621:Chemistry; D008722:Methods
D001578:Benzopyrans
Tetrahydrobenzodipyrandione und Tetrahydrobenzodipyrane