HIMMELSBACH, FRANK,LANGKOPF, ELKE,ECKHARDT, MATTHIAS,MAIER, ROLAND,MARK, MICHAEL,TADAYYON, MOHAMMAD,LOTZ, RALF R. H.
申请号：
CA2505389
公开号：
CA2505389C
申请日:
2003.11.03
申请国别(地区):
CA
年份:
2012
代理人:
摘要：
The present invention relates to substituted xanthines of general formula(see formula I),wherein R1 to R4 are defined as in claim 1, the tautomers, the stereoisomers,the mixtures thereof, the prodrugs thereof and the salts thereof, which havevaluable pharmacological properties, particularly an inhibitory effect on theactivity of the enzyme dipeptidylpeptidase-IV (DPP-IV).
