preferred_name: L-cysteate <=> 2-aminoprop-2-enoate + sulfite + H(+)
preferred_name_lc: l-cysteate <=> 2-aminoprop-2-enoate + sulfite + h(+)
label: L-cysteate <=> 2-aminoprop-2-enoate + sulfite + H(+)
label_lc: l-cysteate <=> 2-aminoprop-2-enoate + sulfite + h(+)