EXHIBIT 2.2Stock Option Agreement • June 21st, 1999 • Sugen Inc • Biological products, (no disgnostic substances) • New York
Contract Type FiledJune 21st, 1999 Company Industry Jurisdiction
amongAgreement and Plan of Merger • June 21st, 1999 • Sugen Inc • Biological products, (no disgnostic substances) • New York
Contract Type FiledJune 21st, 1999 Company Industry Jurisdiction