Exhibit 21

 

SYNTHETIC BIOLOGICS, INC. SUBSIDIARIES

 

The following table lists all of the subsidiaries of Synthetic Biologics, Inc. and the jurisdiction of incorporation of each subsidiary. Each subsidiary does business under its corporate name indicated in the table.

 

Subsidiary Name   Ownership   Jurisdiction of Incorporation
Pipex Therapeutics, Inc.   Wholly owned   Delaware
Effective Pharmaceuticals, Inc.   Wholly owned   Delaware
Solovax, Inc.   Majority-owned   Delaware
CD4 Biosciences, Inc.   Majority-owned   Delaware
Epitope Pharmaceuticals, Inc.   Majority-owned   Delaware

Healthmine, Inc.

Putney Drug Corp.

Synthetic Biomics, Inc.

 

Wholly owned

Wholly owned

Majority-owned

 

Delaware

Delaware

Nevada