4H-pyrimido[4,5-b][1,4]diazepin-4-one, 6-(4-bromophenyl)-3,7,8,9-tetrahydro-2-(methylthio)- 6-(4-bromophenyl)-2-(methylthio)-3,7,8,9-tetrahydro-4H-pyrimido[4,5-b][1,4]diazepin-4-one InChI=1/C14H13BrN4OS/c1-21-14-18-12-11(13(20)19-14)17-10(6-7-16-12)8-2-4-9(15)5-3-8/h2-5H,6-7H2,1H3,(H2,16,18,19,20