6-chlorohex-2-yn-1-ol,methanesulfonic acid

methyl 8-chloro-2-(1-hydroxy-2,2-dimethoxyethyl)oct-4-ynoate

6-chloro-1-iodohex-2-yne

2-(6-chlorohex-2-yn-1-yl)-4,4-dimethoxybutane-1,3-diol

methyl 9-hydroxy-8-(hydroxymethyl)-10,10-dimethoxydec-5-ynoate