preferred_name: an N-acyl-D-glucosamine 6-phosphate => an N-acyl-D-mannosamine 6-phosphate
preferred_name_lc: an n-acyl-d-glucosamine 6-phosphate => an n-acyl-d-mannosamine 6-phosphate
label: an N-acyl-D-glucosamine 6-phosphate => an N-acyl-D-mannosamine 6-phosphate
label_lc: an n-acyl-d-glucosamine 6-phosphate => an n-acyl-d-mannosamine 6-phosphate