preferred_name: 2-amino-4-oxopteridine-6-carbaldehyde + acetaldehyde + H2O2 => L-erythro-biopterin + hnu + O2
preferred_name_lc: 2-amino-4-oxopteridine-6-carbaldehyde + acetaldehyde + h2o2 => l-erythro-biopterin + hnu + o2
label: 2-amino-4-oxopteridine-6-carbaldehyde + acetaldehyde + H2O2 => L-erythro-biopterin + hnu + O2
label_lc: 2-amino-4-oxopteridine-6-carbaldehyde + acetaldehyde + h2o2 => l-erythro-biopterin + hnu + o2