Novel compounds of the formula (I), in which R, R
1
, R
2
and R
3
are as defined in Patent Claim
1
, are inhibitors of coagulation factor Xa and can be employed for the prophylaxis and/or therapy of thromboembolic diseases and for the treatment of tumours.
式(I)的新化合物,其中R、R1、R2和R3如专利权利要求书1所定义,是
凝血因子Xa的
抑制剂,可用于预防和/或治疗血栓栓塞性疾病和肿瘤的治疗。