| alpha-(3-methylbut-1-yn-3-enyl)-cyclopentaneglycolic aci 2-methyl-3-quinucl |
| idinyl ester |
| 2-methyl-3-quinuclidyl cyclopentyl(3-methyl-but-1-yn-3-enyl)glycolate a |
| 2-methyl-3-quinuclidyl cyclopentyl(3-methyl-but-1-yn-3-enyl)glycolate b |
| alpha-(3-methylbut-1-yn-3-enyl)-cyclopentaneglycolic aci 2-methyl-3-quinuclidinyl ester |
