preferred_name: O-succinyl-L-homoserine + CoA => L-homoserine + succinyl-CoA
preferred_name_lc: o-succinyl-l-homoserine + coa => l-homoserine + succinyl-coa
label: O-succinyl-L-homoserine + CoA => L-homoserine + succinyl-CoA
label_lc: o-succinyl-l-homoserine + coa => l-homoserine + succinyl-coa