LIEUR À CHAÎNE GLUCIDIQUE LIÉE, COMPOSÉ CONTENANT UN LIEUR À CHAÎNE GLUCIDIQUE LIÉE ET SUBSTANCE PHYSIOLOGIQUEMENT ACTIVE OU SON SEL, ET SON PROCÉDÉ DE PRODUCTION
[Problem]To provide a carrier linker that is capable of improving the water solubility of a physiologically active substance and more quickly releasing the physiologically active substance under specific conditions without utilizing light or enzymatic cleavage.[Solution]A novel sugar chain-attached linker comprising a sugar chain that is attached as a carrier.