Full Name: Penoxsulam
Synonyms: PSL
Penoxsulam is a triazolopyrimidine sulfonamide herbicide. It inhibits acetolactate synthase (ALS), blocking branched-chain amino acid production and halting growth in broadleaf, grass, and sedge weeds. It is applied in rice fields, turfgrass, and aquatic weed management. Its structure features a triazolopyrimidine core connected to a trifluoromethyl-benzene ring.