preferred_name: paromamine + acetate => 2'-N-acetylparomamine + H2O
preferred_name_lc: paromamine + acetate => 2'-n-acetylparomamine + h2o
label: paromamine + acetate => 2'-N-acetylparomamine + H2O
label_lc: paromamine + acetate => 2'-n-acetylparomamine + h2o