| alpha-(1-butynyl)-cyclopentaneglycolic aci 3-quinuclidinyl ester |
| 3-quinuclidyl cyclopentyl(1-butynyl)glycolate a |
| 3-quinuclidyl cyclopentyl(1-butynyl)glycolate b |
| alpha-(1-butynyl)cyclopentaneglycolic acid 3-quinuclidinyl ester |
| alpha-(1-butynyl)-cyclopentaneglycolic aci3-quinuclidinyl ester |
