preferred_name: proclavaminate + urea => amidinoproclavaminate + H2O
preferred_name_lc: proclavaminate + urea => amidinoproclavaminate + h2o
label: proclavaminate + urea => amidinoproclavaminate + H2O
label_lc: proclavaminate + urea => amidinoproclavaminate + h2o