| abstract |
The invention relates to the pyridazine derivatives of formula: wherein R 1 is H, a substituted or unsubstituted phenyl group, a naphthyl group, a cyclohexyl group, a 2-thienyl group, a 3-thienyl group or a 3-indolyl group; R 2 is H, an alkyl or phenyl group, R 3 is H, an alkyl, phenyl or cyano group, Alk is (CH 2 ) n or -CH 2 -C = C-.n n n A process for obtaining said products and their application as medicaments. |