Lewis A antigen; Lea; Le a; Le-a; Le(a); Lacto-N-fucopentaitol II; LACTO-N-FUCOPENTAOSE-(II); LACTO-N-FUCOPENTAOSEI; Lewis a; Lewis-a-pentasaccharide; LNF-II; LNFP-II; LNFP II; LNFPII; LNFP2; MFCD00171398; α-Fuc-(1->4)-[β-Gal-(1->3)]-β-GlcNAc-(1->3)-β-Gal-(1->4)-Glc; III4Fuc-LcOse4; 6-Deoxy-α-L-galactopyranosyl-(1->4)-[β-D-galactopyranosyl-(1->3)]-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1->3)-β-D-galactopyranosyl-(1->4)-D-glucopyranose; D-Glucopyranose, O-6-deoxy-α-L-galactopyranosyl-(1->4)-O-[β-D-galactopyranosyl-(1->3)]-O-2-(acetylamino)-2-deoxy-β-D-glucopyranosyl-(1->3)-O-β-D-galactopyranosyl-(1->4)-