Entremed (ENMD)

[nottadoc2]

estradiol conjugates
I think you can get there indirectly through this; if not search "estradiol conjugates" and you can find, any way it's a world patent application for conjugated 2ME claimed to be superior to the straight version:

http://www.wipo.int/ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=01/27132.010419&ELEMENT_SET=DECL.

One of the inventors and applicants is one Alastair Stewart of U of Melbourne. Interesting that he was one of the "als." in the Sutherland et. al. abstract demeaning 2 methoxyestradiol as a possible breast cancer therapy, and which prompted the letter to editor from Sidor, D'Amato and Miller questioning the processes of the experiment on which the abstract was based...