2,4-Bis(trimethylsilyl)thymine 5-Methyl-2,4-bis(trimethylsiloxy)pyrimidine 7288-28-0 Bis(O-trimethylsilyl)thymine NSC154616 Pyrimidine, 5-methyl-2,4-bis(trimethylsiloxy)- Pyrimidine, 5-methyl-2,4-bis[(trimethylsilyl)oxy]-