| 摘要 |
The present invention relates to a process for preparing a pyridazine amine compound of formula V, and to processes for preparing dichloropyridazine amine compounds of formula IVa, IVb, or mixtures thereof. Furthermore, the present invention relates to the novel dichloropyridazine amine compounds of formula IVa, IVb,ormixtures thereof, wherein the amino group is an ethylamino group. |
