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