preferred_name: 3,5-dioxohexanoate + H(+) => triacetate lactone + H2O
preferred_name_lc: 3,5-dioxohexanoate + h(+) => triacetate lactone + h2o
label: 3,5-dioxohexanoate + H(+) => triacetate lactone + H2O
label_lc: 3,5-dioxohexanoate + h(+) => triacetate lactone + h2o