InChI=1/C16H19ClN4O/c17-13-6-7-15-20-14(11-21(15)10-13)9-19-16(22)18-8-12-4-2-1-3-5-12/h1-2,6-7,10-12H,3-5,8-9H2,(H2,18,19,22)/t12-/m0/s1/f/h18-19H 72CAFCA2615CF643