Synonyms: 1-Ethynyl-4-tert-butylbicycloorthocarboxylate;2,6,7-Trioxabicyclo(2.2.2)octane, 4-(1,1-dimethylethyl)-1-ethynyl-;Orthopropiolic acid, cyclic ester with 2-tert-butyl-2-(hydroxymethyl)-1,3-propanediol;AC1L41PM;LS-98481;1-tert-butyl-4-ethynyl-3,5,8-trioxabicyclo[2.2.2]octane;97720-42-8