preferred_name: 2 L-homocysteine = L-homolanthionine + hydrogen sulfide + H(+)
preferred_name_lc: 2 l-homocysteine = l-homolanthionine + hydrogen sulfide + h(+)
label: 2 L-homocysteine = L-homolanthionine + hydrogen sulfide + H(+)
label_lc: 2 l-homocysteine = l-homolanthionine + hydrogen sulfide + h(+)