Ethyl N-[(2E)-2-[(4-{5-chloro-1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-6-oxo-1,6-dihydropyridazin-4-yl}piperazin-1-yl)methylidene]-2-cyanoacetyl]carbamate 1g

Ethyl N-[(2E)-2-[(4-{5-chloro-1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-6-oxo-1,6-dihydropyridazin-4-yl}piperazin-1-yl)methylidene]-2-cyanoacetyl]carbamate 1g