aldehydo-D-ribose 5-phosphate <=> D-ribose 5-phosphate
aldehydo-d-ribose 5-phosphate <=> d-ribose 5-phosphate
aldehydo-D-ribose 5-phosphate <=> D-ribose 5-phosphate
aldehydo-d-ribose 5-phosphate <=> d-ribose 5-phosphate