69304-49-0
(E)-5-(2-溴乙烯基)尿嘧啶
→
~89%
62785-91-5
1H-furo[2,3-d]pyrimidin-2-one
59989-18-3
5-乙炔-2,4(1h,3H-)-嘧啶二酮(9ci)
~15%
83355-90-2
5-(2-trimethylsilylethynyl)-1H-pyrimidine-2,4-dione