preferred_name: leukotriene C4 + H2O => leukotriene D4 + L-glutamate
preferred_name_lc: leukotriene c4 + h2o => leukotriene d4 + l-glutamate
label: leukotriene C4 + H2O => leukotriene D4 + L-glutamate
label_lc: leukotriene c4 + h2o => leukotriene d4 + l-glutamate