preferred_name: alpha-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide + GDP-beta-L-fucose => a neolactoside IV(3)-alpha-Gal,III(3)-alpha-Fuc-nLc4Cer + GDP + H(+)