preferred_name: N-(4-aminobutyl)-3-aminopropanal = acrolein + putrescine
preferred_name_lc: n-(4-aminobutyl)-3-aminopropanal = acrolein + putrescine
label: N-(4-aminobutyl)-3-aminopropanal = acrolein + putrescine
label_lc: n-(4-aminobutyl)-3-aminopropanal = acrolein + putrescine