101952-37-8 3-Quinuclidyl cyclopentyl(1-butynyl)glycolate A 3-Quinuclidyl cyclopentyl(1-butynyl)glycolate B Cyclopentaneglycolic acid, alpha-(1-butynyl)-, 3-quinuclidinyl ester alpha-(1-Butynyl)cyclopentaneglycolic acid 3-quinuclidinyl ester