EX-21.1 4 ex_348719.htm EXHIBIT 21.1 ex_348719.htm

Exhibit 21.1

 

SIGNIFICANT SUBSIDIARIES OF THE REGISTRANT

 

Name of Subsidiary

State or Other

Jurisdiction of

Incorporation or

Organization

Direct or Indirect

Ownership Interest by

Company

Canterbury Laboratories, LLC

DE

100%

Hygeia Therapeutics, Inc.

DE

100%

Diffusion Pharmaceuticals LLC

VA

100%