Polyethylene glycol derivatives of the following formula I and uses thereof are disclosed. A method for manufacturing the polyethylene glycol derivatives is also disclosed.

##STR00001##

Polyethylene glycol derivatives of the following formula I and uses thereof are disclosed. A method for manufacturing the polyethylene glycol derivatives is also disclosed.

##STR00001##

The present invention relates to polyethylene glycol derivatives and use thereof.

The present invention relates to polyethylene glycol derivatives and use thereof.

The present invention relates to polyethylene glycol derivatives and use thereof.

Polyethylene glycol derivatives of the following formula I and uses thereof are disclosed. A method for manufacturing the polyethylene glycol derivatives is also disclosed. ##STR00001##

Polyethylene glycol derivatives of the following formula I and uses thereof are disclosed. A method for manufacturing the polyethylene glycol derivatives is also disclosed. ##STR00001##