| abstract |
Compounds of formula (I): n nwherein:n R 1 represents a hydrogen atom or a group of formula COR 4 , or R 1 represents a group of formula (A): nn n n n n n n n n n R 2 represents a group of formula NR 5 R 6 , or R 2 represents a nitrogen-containing heterocyclic group, an aryl group or a heteroaryl group, n R 3 represents a hydrogen atom or an alkyl group, n m represents an integer between 1 and 6 inclusive, n n represents 0, 1 or 2, n their optical isomers, and also addition salts thereof with a pharmaceutically acceptable acid. n n n Medicinal products containing the same which are useful in treating and/or preventing thrombotic events. |