3355-28-0
1-溴-2-丁炔
→
51577-97-0
2-methylhex-4-ynoic acid
802294-64-0
C2H5CO2H
+
69691-19-6
2-甲基-4-乙炔基丁酸甲酯
70073-58-4
1-dimethoxyphosphoryl-3-methylhept-5-yn-2-one