O-succinyl-L-homoserine + CoA => L-homoserine + succinyl-CoA
o-succinyl-l-homoserine + coa => l-homoserine + succinyl-coa
O-succinyl-L-homoserine + CoA => L-homoserine + succinyl-CoA
o-succinyl-l-homoserine + coa => l-homoserine + succinyl-coa