InChI=1/C14H14BrClN4O/c1-7-5-9(15)6-8(2)12(7)19-14(21)13-10(16)3-4-11(18-13)20-17/h3-6H,17H2,1-2H3,(H,18,20)(H,19,21)/f/h19-20H 1666FDB0A84452BB