1-Cyclopenteneglycolic acid, alpha-(1-propynyl)-, 2-methyl-3-quinuclidinyl ester 102571-07-3 2-Methyl-3-quinuclidinyl cyclopentenyl(1-propynyl)glycolate 3-Pentynoic acid, 2-(1-cyclopentenyl)-2-hydroxy-, 2-methyl-3-quinuclidinyl ester