Exhibit 4.4 REGISTRATION RIGHTS AGREEMENT This Registration Rights Agreement (this "Agreement") is made and entered into as of May 11, 2003, by and among Alfacell Corporation, a Delaware corporation (the "Company"), and the investors signatory hereto...Registration Rights Agreement • May 18th, 2004 • Alfacell Corp • Biological products, (no disgnostic substances) • New York
ARTICLE I. DEFINITIONSSecurities Purchase Agreement • May 18th, 2004 • Alfacell Corp • Biological products, (no disgnostic substances) • New York
