上游原料
5-Iodo-2,4(1H,3H)-pyrimidinedione2,4-Dichloro-5-iodopyrimidine5-Iodo-2-methoxy-4-pyrimidinyl methyl ether; 5-Iodo-2,4-dimethoxypyrimidineethynyl(trimethyl)silane；trimethylsilyl acetylene5-[2-(trimethylsilyl)ethynyl]-2,4(1H,3H)-pyrimidinedione2,4-dimethoxy-5-[2-(trimethylsilyl)ethynyl]pyrimidine; 2-methoxy-5-[2-(trimethylsilyl)ethynyl]-4-pyrimidinyl methyl ether
