preferred_name: an L-amino acid tripeptide(in) + 2 H(+)(in) => an L-amino acid tripeptide(out) + 2 H(+)(out)
preferred_name_lc: an l-amino acid tripeptide(in) + 2 h(+)(in) => an l-amino acid tripeptide(out) + 2 h(+)(out)
label: an L-amino acid tripeptide(in) + 2 H(+)(in) => an L-amino acid tripeptide(out) + 2 H(+)(out)
label_lc: an l-amino acid tripeptide(in) + 2 h(+)(in) => an l-amino acid tripeptide(out) + 2 h(+)(out)