2-methylhex-3-en-5-yn-2-ol

1-chloro-2-[2-(2-chlorophenyl)ethynyl]benzene

10-溴-2,2,6,6-四甲基-2H-1,5,7-三氧杂-菲-8-酮

3-fluoro-3-methylbut-1-yne

2-甲基丁烷-2,3-二醇