121749-96-0
1-[[2-[(tert-butyldimethylsilyl)oxy]ethoxy]methyl]-5-chlorouracil
→
121749-91-5
1-((2-((tert-butyldimethylsilyl)oxy)ethoxy)methyl)-5-chloro-6-iodopyrimidine-2,4(1H,3H)-dione
121749-86-8
5-chloro-1-(2-hydroxyethoxymethyl)-6-iodopyrimidine-2,4-dione