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