preferred_name: L,L-cystathionine => L-homocysteine + 2-aminoprop-2-enoate
preferred_name_lc: l,l-cystathionine => l-homocysteine + 2-aminoprop-2-enoate
label: L,L-cystathionine => L-homocysteine + 2-aminoprop-2-enoate
label_lc: l,l-cystathionine => l-homocysteine + 2-aminoprop-2-enoate