4-(2,5-dimethoxy-3,4-dimethylphenyl)-but-1-yne

4-propyl-hepta-1,6-diyn-4-ol

1,2,3-trideoxy-5,6:8,9-di-O-isopropylidene-D-glycero-D-talo-1-yno-nonitol

B-allenyl-10S-Ph-9-BBD