1199-03-7 2, 3-Dimercaptoquinoxaline 2, 3-Quinoxalinedithiol 2,3-Dithiolquinoxaline 2,3-Quinoxalinedithiol 2,3-Quinoxalinedithione, 1,4-dihydro- 2,3-Quinoxalinethiol AIDS-125150 AIDS125150 NSC63917 QDT Usaf ek-7317