| abstract |
A compound having excellent platelet agglutination inhabitation and useful for prevention and/or treatment of thromboembolism is represented by the general formula (I) or pharmacologically acceptable salt thereof: [in formula, R1 represents halogen atoms etc., R2 represents hydrogen atom etc., R3 and R4 each independetly represent hydrogen atom, C1-4 alkyl etc., R5 represents hydrogen atom, halogen atoms etc., R6 represents hydrogen atom, halogen atoms etc., R7 and R8 each independetly represent hydrogen atom, halogen atoms etc., R9 and R10 each independetly represent hydrogen atom, C1-4 alkyl, R11 and R12 each independetly represent hydrogen atom, C1-4 alkyl etc., X represents oxygen atom, -CH2- etc., Y representr nitrogen atom, = CH- etc., Z represents nitrogen atom etc.]. |