Specifically , the compounds ethyl glucuronide ( etg ) and ethyl sulfate ( ets ) remain in the body longer than ethanol ( alcohol ) , which makes them helpful indicators to measure whether a person has had an alcoholic beverage in previous days .
The test usually employed for testosterone abuse relies on measuring the ratio of two chemicals found in the urine : testosterone glucuronide ( tg ) and epitestosterone glucuronide ( eg ) .