EXHIBIT 10.23 STOCK PURCHASE AGREEMENT DATED FEBRUARY 14, 2000Stock Purchase Agreement • March 30th, 2000 • Epoch Pharmaceuticals Inc • In vitro & in vivo diagnostic substances • Washington
EXHIBIT 10.22 STOCK PURCHASE AGREEMENT DATED NOVEMBER 1, 1999Stock Purchase Agreement • March 30th, 2000 • Epoch Pharmaceuticals Inc • In vitro & in vivo diagnostic substances • Washington
