3,5-dibromo-tetrahydro-pyran-4-one

6-bromo-1-methyl-2,3-dihydroquinolin-4-one

2-amino-9-(4-hydroxybut-2-ynyl)-3H-purin-6-one

3-溴-5,7-二甲基吡唑并[1,5-a]嘧啶

1-ethylsulfanylpyrrolidine-2,5-dione