2-anilino-5-methyl-7H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one 7H-1,3,4-thiadiazolo[3,2-a]pyrimidin-7-one, 5-methyl-2-(phenylamino)- InChI=1/C12H10N4OS/c1-8-7-10(17)14-12-16(8)15-11(18-12)13-9-5-3-2-4-6-9/h2-7H,1H3,(H,13,15