preferred_name: ethanethiol + pyruvate + NH4(+) => S-ethyl-L-cysteine + H2O
preferred_name_lc: ethanethiol + pyruvate + nh4(+) => s-ethyl-l-cysteine + h2o
label: ethanethiol + pyruvate + NH4(+) => S-ethyl-L-cysteine + H2O
label_lc: ethanethiol + pyruvate + nh4(+) => s-ethyl-l-cysteine + h2o