preferred_name: L-aspartyl-L-lysine(in) => L-aspartyl-L-lysine(out)
preferred_name_lc: l-aspartyl-l-lysine(in) => l-aspartyl-l-lysine(out)
label: L-aspartyl-L-lysine(in) => L-aspartyl-L-lysine(out)
label_lc: l-aspartyl-l-lysine(in) => l-aspartyl-l-lysine(out)