alpha-D-glucosamine 1-phosphate <=> D-glucosamine 6-phosphate
alpha-d-glucosamine 1-phosphate <=> d-glucosamine 6-phosphate
alpha-D-glucosamine 1-phosphate <=> D-glucosamine 6-phosphate
alpha-d-glucosamine 1-phosphate <=> d-glucosamine 6-phosphate