| abstract |
【Task】 The present invention relates to a pharmaceutical composition containing a compound having an inhibitory action on platelet aggregation, a pharmacologically acceptable salt thereof, and a prodrug thereof as active ingredients. [Solution] (Wherein, R 1 represents a like C1-C6 alkyl group, R 2 represents a hydrogen atom, C2-C7 alkanoyl group, C7-C11 arylcarbonyl group of the formula R 4 - (CH 2) l - , etc. indicates, R 3 represents a C6-C10 aryl group and the like, X 1 , X 2 , X 3 , X 4 and X 5 independently represent a hydrogen atom, a halogen atom, etc., and n represents an integer of 0 to 2. Or a pharmacologically acceptable salt thereof, or a pharmaceutical composition containing a prodrug thereof as an active ingredient. [Selection figure] None |