| alpha-(3-methylbut-1-yn-3-enyl)-mandelic aci 1-methyl-4-piperidyl ester |
| 1-methyl-4-piperidyl phenyl(3-methyl-but-1-yne-3-enyl)glycolate |
| alpha-(3-methylbut-1-yn-3-enyl)mandelic acid 1-methyl-4-piperidyl ester |
| alpha-(3-methylbut-1-yn-3-enyl)-mandelic aci1-methyl-4-piperidyl ester |
