(5E)-6-(m-(3-tert-Butyl-2-cyanoguanidino)phenyl)-6-(3-pyridyl)-5-hexenoic acid 149979-74-8 6-(3-(((Cyanoamino)((1,1-dimethylethyl)amino)methylene)amino)phenyl)-6-(3-pyridinyl)hexenoic acid BIBV 308 SE Terbogrel [USAN]