| alpha-(3-methyl-1-butynyl)-mandelic aci 1-methyl-4-piperidyl ester |
| 1-methyl-4-piperidyl phenyl(3-methyl-1-butynyl)glycolate |
| alpha-(3-methyl-1-butynyl)mandelic acid 1-methyl-4-piperidyl ester |
| alpha-(3-methyl-1-butynyl)-mandelic aci1-methyl-4-piperidyl ester |
