EXHIBIT 4.2 CALLISTO PHARMACEUTICALS, INC. NON-QUALIFIED STOCK OPTION AGREEMENTCallisto Pharmaceuticals Inc • October 8th, 2004 • Pharmaceutical preparations • New York
Company FiledOctober 8th, 2004 Industry Jurisdiction
EXHIBIT 4.2 CALLISTO PHARMACEUTICALS, INC. NON-QUALIFIED STOCK OPTION AGREEMENTCallisto Pharmaceuticals Inc • October 8th, 2004 • Pharmaceutical preparations • New York
Company FiledOctober 8th, 2004 Industry Jurisdiction