label: beta-D-galactosyl-(1->3)-N-acetyl-D-galactosamine + GDP-beta-L-fucose <=> alpha-L-fucosyl-(1->2)-beta-D-galactosyl-(1->3)-N-acetyl-D-galactosamine + GDP + H(+)
label_lc: beta-d-galactosyl-(1->3)-n-acetyl-d-galactosamine + gdp-beta-l-fucose <=> alpha-l-fucosyl-(1->2)-beta-d-galactosyl-(1->3)-n-acetyl-d-galactosamine + gdp + h(+)