preferred_name: a ribonucleoside + phosphate => a ribonucleoside 5'-phosphate + H2O
preferred_name_lc: a ribonucleoside + phosphate => a ribonucleoside 5'-phosphate + h2o
label: a ribonucleoside + phosphate => a ribonucleoside 5'-phosphate + H2O
label_lc: a ribonucleoside + phosphate => a ribonucleoside 5'-phosphate + h2o