112532-91-9
→
~89%
112532-68-0
4-but-3-ynyl-1-methyl-3,5,8-trioxabicyclo[2.2.2]octane
55183-44-3
pent-4-ynoyl chloride
6089-09-4
炔丙基脲
N/A
180922-91-2
methyl 5-trimethylsilylpent-4-ynoate
68654-85-3
5-trimethylsilylpent-4-ynal