preferred_name: 2,5,6-triamino-4-hydroxypyrimidine + D-ribose 5-phosphate => 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + H2O
preferred_name_lc: 2,5,6-triamino-4-hydroxypyrimidine + d-ribose 5-phosphate => 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + h2o
label: 2,5,6-triamino-4-hydroxypyrimidine + D-ribose 5-phosphate => 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + H2O
label_lc: 2,5,6-triamino-4-hydroxypyrimidine + d-ribose 5-phosphate => 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine + h2o