12H-benzothiazolo[2,3-b]quinazolin-12-one, 8-amino-1,2,3,4-tetrahydro- 8-amino-1,2,3,4-tetrahydro-12H-[1,3]benzothiazolo[2,3-b]quinazolin-12-one InChI=1/C14H13N3OS/c15-8-5-6-11-12(7-8)19-14-16-10-4-2-1-3-9(10)13(18)17(11)14/h5-7H,1-4,15H