preferred_name: RNA(n)-3'-uridine ribonucleotide + diphosphate => RNA(n) + UTP
preferred_name_lc: rna(n)-3'-uridine ribonucleotide + diphosphate => rna(n) + utp
label: RNA(n)-3'-uridine ribonucleotide + diphosphate => RNA(n) + UTP
label_lc: rna(n)-3'-uridine ribonucleotide + diphosphate => rna(n) + utp