108614-38-6 2,6,7-Trioxabicyclo(2.2.2)octane, 4-cyclohexyl-1-(4-ethylnylphenyl)- 4-Cyclohexyl-1-(4-ethynylphenyl)-2,6,7-trioxabicyclo(2.2.2)octane BRN 3624500