| alpha-isopropenyl-2-thiopheneglycolic aci 3-quinuclidinyl ester |
| 2-hydroxy-3-methyl-2-(2-thienyl)-3-butenoic aci 3-quinuclidinyl ester |
| 3-quinuclidyl-2-thienyl(isopropenyl)glycolate |
| alpha-isopropenyl-2-thiopheneglycolic acid 3-quinuclidinyl ester |
| alpha-isopropenyl-2-thiopheneglycolic aci3-quinuclidinyl ester |
