preferred_name: (R)-carnitine + a fatty acid + H(+) => an O-acyl-(R)-carnitine + H2O
preferred_name_lc: (r)-carnitine + a fatty acid + h(+) => an o-acyl-(r)-carnitine + h2o
label: (R)-carnitine + a fatty acid + H(+) => an O-acyl-(R)-carnitine + H2O
label_lc: (r)-carnitine + a fatty acid + h(+) => an o-acyl-(r)-carnitine + h2o