Transketolase-IN-2 (compound 4w) is a potent Transketolase inhibitor. Transketolase-IN-2 shows strong inhibition of Digitaria sanguinalis and Amaranthus retroflexus (over 90% at 200 mg/L and about 80% at 100 mg/L). Transketolase-IN-2 can be used in studies of weed control.