51577-97-0
2-methylhex-4-ynoic acid
+
74-88-4
甲基碘
→
~32%
69691-19-6
2-甲基-4-乙炔基丁酸甲酯
67-56-1
甲醇
802294-64-0
C2H5CO2H
3355-28-0
1-溴-2-丁炔
186581-53-3
重氮甲烷
70073-58-4
1-dimethoxyphosphoryl-3-methylhept-5-yn-2-one