abstract |
The present invention relates to a composition comprising one or a mixture of two or more quinoline-polyethylene glycol containing compound, each quinoline-polyethylene glycol containing compound comprising:n one to three quinoline group and one or more polyethylene glycol group,n nwherein, in each said quinoline-polyethylene glycol containing compound, one to three of said one to three quinoline group is connected via one or more oxygen atom of said one or more polyethylene glycol group via carbon 6 or carbon 8 of said one to three quinoline group. |