944333-52-2
2-bromo-3-(tert-butoxymethyl)-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]-pyridazin-4-one
944334-26-3
3-chloro-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one
944331-36-6
2-bromo-3-methyl-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one
944333-36-2
2-bromo-3-isopropoxymethyl-1,5-bis(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one
944334-33-2
1,5-bis(2-trimethylsilylethoxymethyl)-3-trimethylsilylethynyl-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one