59839-58-6
hex-3-yne-1,6-diyl-bis(4-methylbenzene sulfonate)
→
~91%
61233-70-3
1,6-dibromohex-3-yne
23431-56-3
(4-bromobut-1-yn-1-yl)benzene
+
501-65-5
二苯基乙炔