6-chloro-1-iodohex-2-yne

acetic acid,2-(6-chlorohex-2-ynyl)-4,4-dimethoxybutane-1,3-diol

[2-(1-acetyloxy-2,2-dimethoxyethyl)-8-cyanooct-4-ynyl] acetate

methyl 8-chloro-2-(2,2-dimethoxyacetyl)oct-4-ynoate

methyl 8-formyl-10,10-dimethoxydeca-5,8-dienoate