2-chloro-4,4-ethylenedioxy-3-(prop-2-yn-1-yl)cyclopent-2-en-1-one

4,4-ethylenedioxy-3-phenylsulfonyl-2-(prop-2-yn-1-yl)cyclopent-2-en-1-one

2-chloro-4,4-ethylenedioxy-3-phenylsulfonyl-1-(prop-2-yn-1-yl)cyclopent-2-en-1-ol

(6R,7S,8R)-6,7,8-Tris-benzyloxy-5-prop-2-ynyl-deca-1,9-dien-5-ol

1,2,3-trideoxy-5,6;8,9-di-O-isopropylidene-D-manno-non-1-yno-4-ulofuranose