1-Boc-哌嗪

4-[7-(2-Butynyl)-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]piperazine-1-carboxylic acid tert-butyl ester

8-溴-7-（2-丁炔基）-3,7-二氢-3-甲基-1H-嘌呤-2，6-二酮

3-戊炔-1-醇

1-苯二酰亚氨基-2-丁炔