preferred_name: pentan-2-one + butanoate + H(+) => nonane-4,6-dione + H2O
preferred_name_lc: pentan-2-one + butanoate + h(+) => nonane-4,6-dione + h2o
label: pentan-2-one + butanoate + H(+) => nonane-4,6-dione + H2O
label_lc: pentan-2-one + butanoate + h(+) => nonane-4,6-dione + h2o