| abstract |
PROBLEM TO BE SOLVED: To provide a pharmaceutical composition containing a condensed furan compound as an active ingredient and an activated blood coagulation factor X inhibitor. SOLUTION: Formula (I): (In the formula, ring X is benzene, pyridine, etc., Y is amino which may be substituted, cycloalkyl which may be substituted, aryl which may be substituted, saturated heterocyclic ring which may be substituted) An unsaturated heterocyclic group which may be substituted, A is a single bond, lower alkylene, lower alkenylidene, lower alkenylene, an oxygen atom, R 1 is hydrogen, halogen or the like, R 3 is hydrogen or the like, R 4 represents hydrogen or the like.) And a pharmaceutical composition containing the condensed furan compound represented by the formula (I) or a pharmacologically acceptable salt thereof as an active ingredient and an activated blood coagulation factor X inhibitor. [Selection figure] None |