benzaldehyde (1,2-dihydro-[1,3,4]thiadiazino[5,6-b]quinoxalin-3-ylidene)-hydrazone

N-(2-Imino-thiazolo[4,5-b]quinoxalin-3-yl)-2-(toluene-4-sulfonylamino)-propionamide

(S)-3-Hydroxy-N-[(2-imino-thiazolo[4,5-b]quinoxalin-3-ylcarbamoyl)-methyl]-2-(toluene-4-sulfonylamino)-propionamide

4-nitro-benzaldehyde (1,2-dihydro-[1,3,4]thiadiazino[5,6-b]quinoxalin-3-ylidene)-hydrazone

2,2'-dichloro-N-(2-chloroacetylimino-thiazolo[4,5-b]quinoxalin-3-yl)-diacetamide