| 摘要 |
Pyridyl cyanoguanidine compounds according to formula I wherein A, R<SUB>1</SUB>, R<SUB>2</SUB>, R<SUB>5</SUB>, R<SUB>6</SUB>, X<SUB>1</SUB>, X<SUB>2</SUB>, X<SUB>3</SUB>, X<SUB>4</SUB>, Y<SUB>1</SUB>, Y<SUB>2</SUB>, Y<SUB>3</SUB>, Y<SUB>4 </SUB>and n are as indicated in the description are useful as prodrugs in human veterinary therapy of proliferative diseases such as cancers. |
