EXHIBIT 4.2 NEUROCRINE BIOSCIENCES, INC. EMPLOYMENT COMMENCEMENT NONSTATUTORY STOCK OPTION THIS EMPLOYMENT COMMENCEMENT NONSTATUTORY STOCK OPTION (the "Agreement"), dated as of SEPTEMBER 2, 2003, is made by and between Neurocrine Biosciences, Inc., a...Employment Agreement • September 2nd, 2004 • Neurocrine Biosciences Inc • Biological products, (no disgnostic substances) • California
