Benzoic acid (R)-1-methyl-5-oxo-pentyl ester

(2R)-6-hydroxyhexan-2-yl benzoate

(2R,6E)-nona-6-en-8-yn-2-yl benzoate

(2R,6E)-9-(trimethylsilyl)non-6-en-8-yn-2-yl benzoate

(8R,3E)-8-(tert-butyldimethylsilyloxy)-1-(trimethylsilyl)non-3-en-1-yne