| abstract |
The present invention relates to general formula (I) [Wherein Biot is a biotin derivative; R, R 1 and R 2 independently of one another represent C 1 -C 6 alkoxy and / or —OSO 3 ; R 3 is (C 1 -C 6 ) Represents alkoxy or —OSO 3 , or R 3 constitutes an —O—CH 2 — bridge; Pe represents a sugar chain. And the like, and their pharmaceutically acceptable salts, and their use as pharmaceuticals. |