preferred_name: N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-sphing-4-enine + GDP-beta-L-fucose <=> N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-alpha-L-fucosyl-(1->4)-[N-acetyl-beta-D-glucosaminyl-(1->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acyl-sphing-4-enine + GDP + H(+)