[2-methyl-1-(2-methyl-1,3-dioxolan-2-yl)-5-(oxan-2-yloxy)hex-3-yn-2-yl] carbonate

6-chlorohex-2-yn-1-ol

7-chlorohept-2-yn-1-ol

2-(15-bromopentadecoxy)oxane

2-(15-bromopentadec-2-ynoxy)oxane