A compound of formula (I) as well as pharmaceutically acceptable salt thereof, wherein R1 to R4 have the significance given in claim 1, can be used as a medicament.
申请公布号
WO2011069298(A1)
申请公布日期
2011.06.16
申请号
WO2009CN75500
申请日期
2009.12.11
申请人
F. HOFFMANN-LA ROCHE AG;CHEN, LI;HUANG, MENGWEI;FENG, LICHUN;HE, YUN;YUN, HONGYING
