preferred_name: Guanine + H2O => Xanthine + NH4+ (Drosophila melanogaster)
preferred_name_lc: guanine + h2o => xanthine + nh4+ (drosophila melanogaster)
label: Guanine + H2O => Xanthine + NH4+ (Drosophila melanogaster)
label_lc: guanine + h2o => xanthine + nh4+ (drosophila melanogaster)