preferred_name: 4-aminobutanal + L-alanine => putrescine + pyruvate
preferred_name_lc: 4-aminobutanal + l-alanine => putrescine + pyruvate
label: 4-aminobutanal + L-alanine => putrescine + pyruvate
label_lc: 4-aminobutanal + l-alanine => putrescine + pyruvate