Pyrimido[4,5-c]pyridazines. 3. Preferential formation of 8-amino-1H-pyrimido[4,5-c]-1,2-diazepin-6(7H)-ones by cyclizations with .alpha.,.gamma.-dioxo esters
This invention provides pyrimido (4,5-c)pyridazines, process for their preparation, veterinary compositions containing them and the preparation of such compositions. These pyrimido (4,5-c)pyridazines are useful in the treatment of coccidiosis.
The present invention provides pyrimido(4,5-c)pyridazines, to methods for preparing them, formulations containing them and the preparation of such formulation and the use of such compounds in human therapy. These pyrimido(4,5-c)pyridazines of this invention are useful due to their activity as inhibitors of dihydropteroic and biosynthesis.
The present invention provides pyrimido (4,5-c) pyridazines, to methods for preparing them, formulations containing them and the preparation of such formulation and the use of such compounds in human therapy. These pyrimido (4,5-c)pyridazines of this invention are useful due to their activity as inhibitors of dihydropteroic and biosynthesis.
The present invention provides pyrimido (4,5-c) pyridazines, to methods for preparing them, formulations containing them and the preparation of such formulation and the use of such compounds in human therapy. These pyrimido (4,5-c)pyridazines of this invention are useful due to their activity as inhibitors of dihydropteroic and biosynthesis.
The present invention provides pyrimido(4,5-c)pyridazines, to methods for preparing them, formulations containing them and the preparation of such formulation and the use of such compounds in human therapy. These pyrimido(4,5-c)pyridazines of this invention are useful due to their activity as inhibitors of dihydropteroic and biosynthesis.