preferred_name: a purine D-ribonucleoside + phosphate = a purine nucleobase + alpha-D-ribose 1-phosphate
preferred_name_lc: a purine d-ribonucleoside + phosphate = a purine nucleobase + alpha-d-ribose 1-phosphate
label: a purine D-ribonucleoside + phosphate = a purine nucleobase + alpha-D-ribose 1-phosphate
label_lc: a purine d-ribonucleoside + phosphate = a purine nucleobase + alpha-d-ribose 1-phosphate