Betacetylmethadol is a substance regulated by what act signed into law by President Richard Nixon? 
Betacetylmethadol:  In the United States, betacetylmethadol is a Schedule I drug Narcotic under the Controlled Substances Act, with an ACSCN of 9607 and a 2 gramme manufacturing quota as of 2014. Controlled Substances Act:  It was passed by the 91st United States Congress as Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970 and signed into law by President Richard Nixon.
Controlled Substances Act