CPC A61K 31/519 (2013.01) [A61K 47/61 (2017.08); A61P 35/00 (2018.01)] | 10 Claims |
1. An alginic acid-folic acid conjugate in which a carboxyl group of folic acid is linked to a hydroxyl group of alginic acid via an ester bond, or a pharmaceutically acceptable salt thereof, wherein the alginic acid-folic acid conjugate is represented by the following Formula 1:
wherein R is an alginic acid unit or an alginic acid polymer.
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