1199-03-7 2,3-Dimercaptoquinoxaline 2,3-Dithiolquinoxaline 2,3-Quinoxalinedithiol 2,3-Quinoxalinedithione, 1,4-dihydro- 2,3-Quinoxalinethiol NSC9434 QDT Usaf ek-7317 WLN: T66 BN ENJ CSH DSH