title: [Pyrrolidine-3 and pyrazoline-4-spiro-1'-isothiochromanes and -isochromanes. 12. Studies on the isochromane- and isothiochromane series].
mesh_terms: D001578:Benzopyrans / Q000138:chemical synthesis*; D055598:Chemical Phenomena; D002621:Chemistry; D007536:Isomerism; D011720:Pyrazoles / Q000138:chemical synthesis; D011759:Pyrrolidines / Q000138:chemical synthesis; D013055:Spectrophotometry, Infrared
chemical_list: D001578:Benzopyrans; D011720:Pyrazoles; D011759:Pyrrolidines
vernacular_title: Uber Pyrrolidin-3-und Pyrazolin-4-spiro-1'-isothiochromane und -isochromane. 12. Uber Untersuchungen in der Isochroman- und Isothiochroman-Reihe.