1,3-dibromo-5,5-bis(dodecyloxymethyl)-5,6-dihydro-4H-cyclopenta[c]thiophene

1,7-bis(trimethylsilyl)-4,4-bis(dodecyloxymethyl)-1,6-heptadiyne

2,5-bis-trimethylsilyl-didodecyloxymethyl-cyclopenta[c]thiophene

1-(2,2-dimethyl-5-prop-2-ynyl-[1,3]dioxan-5-ynyl)-4-methyl-9-tri-methylsilyl-nona-2,8-diyn-4-ol

2,2-di(pent-2-yn-1-yl)propane-1,3-diol