EXHIBIT 4.5 NEITHER THIS WARRANT NOR THE SHARES OF COMMON STOCK FOR WHICH THIS WARRANT IS EXERCISABLE (THE "SECURITIES") HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), AND THEY MAY NOT BE OFFERED, SOLD,...Warrant Agreement • March 20th, 2001 • Sheffield Pharmaceuticals Inc • Pharmaceutical preparations • New York
Exhibit 4.4 NEITHER THIS WARRANT NOR THE SHARES OF COMMON STOCK FOR WHICH THIS WARRANT IS EXERCISABLE (THE "SECURITIES") HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"), AND THEY MAY NOT BE OFFERED, SOLD,...Warrant Agreement • March 20th, 2001 • Sheffield Pharmaceuticals Inc • Pharmaceutical preparations • New York
