other o-beta-d-galactopyranosyl haptens , 2- ( 4-methoxycarbonylbutanecarboxamido ) ethyl 2-acetamido-2-deoxy-4-o-beta-d-galactopyranosyl-alpha-d-galactopyranoside , o-beta-d-galactopyranosyl- ( 1 leads to 3 ) -o- [ beta-d-galactopyranosyl- ( 1 leads to 4 ) ] -2-acetamido-2-deoxy-alpha-d-galactopyranoside , and 2-acetamido-2-deoxy-3-o-beta-d-galactopyranosyl-alpha-d-glucopyranoside , the last compound being the determinant of the lewis lec antigen , were also synthesized .
C0018593
haptens
C0003316
determinant