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...Neurocrine Biosciences Inc • September 2nd, 2004 • Biological products, (no disgnostic substances) • California
