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