77758-50-0
pent-4-ynyl 4-methylbenzenesulfonate
→
~78%
28077-72-7
苯,1,2,3-三溴-5-甲基-
3003-84-7
2-氯甲基四氢呋喃
68275-03-6
pent-4-ynyl methanesulfonate
5390-04-5
4-戊炔-1-醇