Derivatives of 4-methyl 6-phenyl pyridazine active on the central
申请人:Sanofi
公开号:US04514397A1
公开(公告)日:1985-04-30
The present invention relates to derivatives of 4-methyl 6-phenyl pyridazine of formula: ##STR1## in which R is OH or H, R.sub.1 is ##STR2## n being 0 or 1, X and Y forms an ethylene or oxoethylene group; it also relates to a process for preparing the products of formula (I) and to drugs containing at least one product of formula (I).