N-acetyl-alpha-D-glucosaminyl-di-trans,octa-cis-undecaprenyl diphosphate => N-acetyl-alpha-D-galactosaminyl-di-trans,octa-cis-undecaprenyl diphosphate
n-acetyl-alpha-d-glucosaminyl-di-trans,octa-cis-undecaprenyl diphosphate => n-acetyl-alpha-d-galactosaminyl-di-trans,octa-cis-undecaprenyl diphosphate