| alpha-(1-propynyl)-cyclohexaneglycolic aci 1-methyl-4-piperidyl ester |
| 1-methyl-4-piperidyl cyclohexyl(1-propynyl)glycolate |
| alpha-hydroxy-alpha-1-propynyl-cyclohexaneacetic aci 1-methyl-4-piperidin |
| alpha-(1-propynyl)-cyclohexaneglycolic aci1-methyl-4-piperidyl ester |
