1 Exhibit 10.21(c) THIRD AMENDMENT DATED NOVEMBER 30, 1999 to the Agreement between Abbott Laboratories and SpectRx, Inc. Dated October 10, 1996 As amended December 22, 1997 and March 31, 1998 THIS THIRD AMENDMENT dated November 30, 1999 ("Third...Third Amendment to the Agreement • March 30th, 2000 • Spectrx Inc • Electromedical & electrotherapeutic apparatus • Delaware
