O,O′-二(三甲基甲硅烷基)胸苷

1-benzoyl-5-methylpyrimidine-2,4-dione

[7-15N]adenine

5,6-二羟基-5-甲基-1,3-二嗪农-2,4-二酮

3-benzoyl-5-methyl-1H-pyrimidine-2,4-dione