label: N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose + H2O <=> lactose + N-acetylneuraminate
label_lc: n-acetyl-alpha-neuraminosyl-(2->3)-beta-d-galactosyl-(1->4)-d-glucose + h2o <=> lactose + n-acetylneuraminate