preferred_name: N-acetyl-S-(2-succino)-L-cysteine = N-acetyl-L-cysteine + fumarate
preferred_name_lc: n-acetyl-s-(2-succino)-l-cysteine = n-acetyl-l-cysteine + fumarate
label: N-acetyl-S-(2-succino)-L-cysteine = N-acetyl-L-cysteine + fumarate
label_lc: n-acetyl-s-(2-succino)-l-cysteine = n-acetyl-l-cysteine + fumarate