| alpha-(1-propynyl)-1-cyclopenteneglycolic aci 2-methyl-3-quinuclidinyl este |
| 2-methyl-3-quinuclidinyl cyclopentenyl(1-propynyl)glycolate |
| 2-(1-cyclopentenyl)-2-hydroxy-3-pentynoic aci 2-methyl-3-quinuclidinyl es |
| alpha-(1-propynyl)-1-cyclopenteneglycolic aci2-methyl-3-quinuclidinyl ester |
