申请人:MERCK SHARP & DOHME CORP.
公开号:US20150329562A1
公开(公告)日:2015-11-19
The present invention provides a compound of Formula (I)
wherein
R
1
, R
2
, R
3
and R
4
are independently H or C
1-6
alkyl, provided that when R
1
, R
2
, and R
3
are H, R
4
is C
1-6
alkyl, and when R
1
, R
2
, and R
4
are H, R
3
is C
1-6
alkyl, and when R
1
, R
3
, and R
4
are H, R
2
is C
1-6
alkyl, and when R
2
, R
3
, and R
4
are H, R is C
1-6
alkyl;
and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes.
本发明提供了一种式为(I)的化合物,其中R1、R2、R3和R4独立地为H或C1-6烷基,前提是当R1、R2和R3为H时,R4为C1-6烷基,当R1、R2和R4为H时,R3为C1-6烷基,当R1、R3和R4为H时,R2为C1-6烷基,当R2、R3和R4为H时,R为C1-6烷基;以及包含一种或多种上述化合物的制药组合物,以及使用上述化合物治疗或预防血栓形成、栓塞、高凝状态或纤维化变化的方法。