Synonyms: 4-Methyl-1-(4-ethynylphenyl)-2,6,7-trioxabicyclo(2.2.2)octane;1-(4-Ethynylphenyl)-4-methyl-2,6,7-trioxabicyclo(2.2.2)octane;2,6,7-Trioxabicyclo(2.2.2)octane, 1-(4-ethynylphenyl)-4-methyl-;AC1MIQ7B;LS-157602;4-(4-ethynylphenyl)-1-methyl-3,5,8-trioxabicyclo[2.2.2]octane;134133-78-1