1. The problem statement, all variables and given/known data find the functional groups in the following compound: 2. Relevant equations C8H16O4 3. The attempt at a solution I know there is an ether but there is also something else. What is it? I have tried to find a group that is in the compound, but I have had no luck. It seems to be only some ethers, but webassign indicates that there is something else.