101564-57-2 3-Quinuclidyl tert-butyl(3-methyl-but-1-yn-3-enyl)glycolate A 3-Quinuclidyl-tert-butyl(3-methyl-but-1-yn-3-enyl)glycolate B HEXA-3-YN-5-ENOIC ACID, 2-tert-BUTYL-2-HYDROXY-5-METHYL-, 3-QUINUCLIDINYL ESTER