2-tert-butyl-5-{4-[2-(tert-butyldimethylsilanyloxy)-ethoxymethyl]benzyloxy}-4-chloro-3-(2H)-pyridazinone

2-tert-butyl-4-chloro-5-[4-(2-hydroxyethoxymethyl)benzyloxy]-3-(2H)-pyridazinone

2-(t-butyl)-4-chloro-5-((4-(hydroxymethyl)benzyl)oxy)pyridazin-3(2H)-one

methyl 4-(((1-(t-butyl)-5-chloro-6-oxo-1,6-dihydropyridazin-4-yl)oxy)methyl)benzoate