| alpha-(3-methylbut-1-ynyl)-cyclopentaneglycolic aci 1-methyl-4-piperidyl es |
| 1-methyl-4-piperidyl cyclopentyl(4-methyl-1-butynyl)glycolate |
| alpha-(3-methylbut-1-ynyl)cyclopentaneglycolic acid 1-methyl-4-piperidyl este |
| alpha-(3-methylbut-1-ynyl)-cyclopentaneglycolic aci 1-methyl-4-piperidyl ester |
