preferred_name: 2 L-homocysteine + glutathione disulfide => L,L-homocystine + 2 glutathione
preferred_name_lc: 2 l-homocysteine + glutathione disulfide => l,l-homocystine + 2 glutathione
label: 2 L-homocysteine + glutathione disulfide => L,L-homocystine + 2 glutathione
label_lc: 2 l-homocysteine + glutathione disulfide => l,l-homocystine + 2 glutathione