label: a ganglioside GM3 + H2O => N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-D-glucose + an N-acyl-sphingoid base
label_lc: a ganglioside gm3 + h2o => n-acetyl-alpha-neuraminosyl-(2->3)-beta-d-galactosyl-(1->4)-d-glucose + an n-acyl-sphingoid base