preferred_name: a diacylglycerol + a fatty acid + H(+) => a triacylglycerol + H2O
preferred_name_lc: a diacylglycerol + a fatty acid + h(+) => a triacylglycerol + h2o
label: a diacylglycerol + a fatty acid + H(+) => a triacylglycerol + H2O
label_lc: a diacylglycerol + a fatty acid + h(+) => a triacylglycerol + h2o