Sec. 481.1022.  PENALTY GROUP 1-B.  Penalty Group 1-B consists of the following opiates, including their isomers, esters, ethers, salts, and salts of isomers, esters, and ethers, if the existence of these isomers, esters, ethers, and salts is possible within the specific chemical designation:
Acetyl-alpha-methylfentanyl (N-[1-(1-methyl-2- phenethyl)-4-piperidinyl]-N-phenylacetamide);
Alfentanil;
Alpha-methylthiofentanyl (N-[1-methyl-2-(2- thienyl)ethyl-4-piperidinyl]-N-phenylpropanamide);
Beta-hydroxyfentanyl (N-[1-(2-hydroxy-2- phenethyl)-4-piperidinyl] -N-phenylpropanamide);
Beta-hydroxy-3-methylfentanyl;
Carfentanil;
Fentanyl, alpha-methylfentanyl, and any other derivative of fentanyl;
3-methylfentanyl(N-[3-methyl-1-(2-phenylethyl)- 4-piperidyl]-N-phenylpropanamide);
3-methylthiofentanyl(N-[3-methyl-1-(2-thienyl) ethyl-4-piperidinyl]-N-phenylpropanamide);
Para-fluorofentanyl(N-(4-fluorophenyl)-N-1-(2- phenylethyl)-4-piperidinylpropanamide);
Remifentanil; 
Sufentanil; and
Thiofentanyl(N-phenyl-N-[1-(2-thienyl)ethyl-4- piperidinyl]-propanamide).
Added by Acts 2021, 87th Leg., R.S., Ch. 584 (S.B. 768), Sec. 3, eff. September 1, 2021.
Amended by: 
Acts 2023, 88th Leg., R.S., Ch. 910 (H.B. 6), Sec. 3, eff. September 1, 2023.