preferred_name: 5,6-diaminouracil + D-ribose 5-phosphate => 5-amino-6-(5-phospho-D-ribosylamino)uracil + H2O
preferred_name_lc: 5,6-diaminouracil + d-ribose 5-phosphate => 5-amino-6-(5-phospho-d-ribosylamino)uracil + h2o
label: 5,6-diaminouracil + D-ribose 5-phosphate => 5-amino-6-(5-phospho-D-ribosylamino)uracil + H2O
label_lc: 5,6-diaminouracil + d-ribose 5-phosphate => 5-amino-6-(5-phospho-d-ribosylamino)uracil + h2o