Below is the structure of fructose, is it D- or L-fructose

Last updated: 8/5/2022

Below is the structure of fructose, is it D- or L-fructose AND which numbered carbon determines this? CH₂OH C=O HO-H H-OH H-OH CH₂OH L-fructose; #4 carbon D-fructose; # 5 carbon D-fructose; #4 carbon OL-fructose; #5 carbon OL-fructose; #2 carbon 10