Sialyl-alpha 2-6-mannosyl-beta 1-4-N-acetylglucosamine, a novel compound occurring in urine of patients with beta-mannosidosis. (1990)

van Pelt J, Dorland L, Duran M, Hokke C, Kamerling J, Vliegenthart J
J Biol Chem, 1990 vol.265:19685-19689