The invention provides compounds of formula (I), wherein R, R
1
, R
2
, R
3
and R
4
are as defined in the description, and their preparation. The compounds of formula I are useful as biomarkers.
[EN] COUMARINES USEFUL AS BIOMARKERS<br/>[FR] COUMARINES CONVENANT COMME BIOMARQUEURS
申请人:NOVARTIS AG
公开号:WO2003074519A1
公开(公告)日:2003-09-12
The invention provides compounds of formula (I), wherein R, R1, R2, R3 and R4 are as defined in the description, and their preparation. The compounds of formula I are useful as biomarkers.