Synonyms: BRN 0533795;1,5-Dihydro-4H-pyrimido(4,5-b)(1,4)thiazine-4,6(7H)-dione dihydrazone;4H-Pyrimido(4,5-b)(1,4)thiazine-4,6(7H)-dione, 1,5-dihydro-, dihydrazone;AC1MIF45;LS-136336;(4-hydrazinyl-7H-pyrimido[4,5-b][1,4]thiazin-6-yl)hydrazine;55383-68-1