+)Institute of Pharmaceutical and Toxicological Chemistry, The University of Turin, Corso Raffaello 31, 10125 Torino, Italy ++)Institute of Pharmacology and Pharmacognosy, The University of Turin, Corso Raffaello 31, 10125Torino. Italy Eingegangen am 15. Marz 1983 ... Some ranitidine analogues containing “semicarbazono equivalent” groups were synthesized and tested for their Hz-antagonistic in vitro activity. ... Potentielle Antagonisten der Histamin H2-Rezeptoren: ...