3-Quinuclidyl cyclohexyl(3-methyl-but-1-yn-3-enyl)glycolate A 3-Quinuclidyl cyclohexyl(3-methyl-but-1-yn-3-enyl)glycolate B Cyclohexaneglycolic acid, alpha-(3-methylbut-1-yn-3-enyl)-, 3-quinuclidinyl ester GV2698700 alpha-(3-Methylbut-1-yn-3-enyl)cyclohexaneglycolic acid 3-quinuclidinyl acid