A COMPOUND REPRESENTED BY THE FOLLOWING GENERAL FORMULA (1), SALTS THEREOF OR HYDRATES OF THE FOREGOING IS A NOVEL COMPOUND USEFUL FOR TREATMENT AND/OR PREVENTION OF DISEASES ASSOCIATED WITH THROMBUS FORMATION, AND WHICH IS SAFER WITH SUITABLE PHYSICOCHEMICAL STABILITY. [WHEREIN R1A, R1B, R1C AND R1D EACH INDEPENDENTLY REPRESENT HYDROGEN, ETC.; R2 REPRESENTS OPTIONALLY SUBSTITUTED PHENYL, ETC.; R3 REPRESENTS OPTIONALLY SUBSTITUTED C6-10 ARYL, ETC.; AND Z1 AND Z2 EACH INDEPENDENTLY REPRESENT HYDROGEN]