[Emphysematous cystitis: Report of one case].

Emphysematous cystitis is found in diabetic patients and in individuals with urinary stasis and immunosuppression. We report a 58-year-old male with hypertension, type 2 Diabetes on insulin treatment and central nervous system vasculitis on immunosuppressive therapy. He was admitted with weight loss and gait instability.

6a,7-Dehydro-N-formylnornantenine and other constituents from Aristolochia brevipes.

From the non-coloured fraction of rhizomes of Aristolochia brevipes (Aristolochiaceae) the new aporphine alkaloid 6a,7-dehydro- N-formylnornantenine was isolated besides N-formylnornantenine, cadalene, and 4-hydroxy-4,7-dimethyl-1-tetralone.