preferred_name: S-benzyl-L-cysteine => benzylthiol + 2-aminoprop-2-enoate
preferred_name_lc: s-benzyl-l-cysteine => benzylthiol + 2-aminoprop-2-enoate
label: S-benzyl-L-cysteine => benzylthiol + 2-aminoprop-2-enoate
label_lc: s-benzyl-l-cysteine => benzylthiol + 2-aminoprop-2-enoate