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