2,4(1H,3H)-Pyrimidinedione, 6-azido-1,3,5-trimethyl-

4-chloro-1,3,5-trimethylpyrimidine-2,6(1H,3H)-dione

6-amino-1,5-dimethylpyrimidine-2,4-dione

硫酸二甲酯

1,3-二甲基脲