Synthesis and structure elucidation of 2,3,5,6,7,8-hexahydro-1 H-[1,2,4]triazolo[1,2-a]pyridazine-1-thione, 3,3-disubstituted and 2-substituted derivatives and evaluation of their inhibitory activity against inducible nitric oxide synthase - Schulz, U; Freitag, M; Schmidt, K; Witetschek, M; Polzin, M; Morgenstern, O (Pharmazie, 2014)