preferred_name: butanoate + glycerol + H(+) => 1-butyrylglycerol + H2O
preferred_name_lc: butanoate + glycerol + h(+) => 1-butyrylglycerol + h2o
label: butanoate + glycerol + H(+) => 1-butyrylglycerol + H2O
label_lc: butanoate + glycerol + h(+) => 1-butyrylglycerol + h2o