4-Nitrophenyl-N-acetyl-β-D-galactosaminide
4-Nitrophenyl-N-acetyl-β-D-galactosaminide has inhibitory activity against GlcNAc and GalNAc with Kis of 1.15 mM and 0.51 mM, respectively. 4-Nitrophenyl-N-acetyl-β-D-galactosaminide is extracted from Trichomonas foetus (T. foetus)