title: Synthesis of [1]benzothiopyrano[4,3,2-cd]indole-6,6-dioxides [(author's transl)].
mesh_terms: D001578:Benzopyrans / Q000138:chemical synthesis*; D003499:Cyclic S-Oxides / Q000138:chemical synthesis; D007211:Indoles / Q000138:chemical synthesis*
chemical_list: D001578:Benzopyrans; D003499:Cyclic S-Oxides; D007211:Indoles
vernacular_title: Synthese von [1] Benzothiopyrano[4,3,2-cd] indol-6,6-dioxiden