InChI=1/C18H19ClN4/c19-16-4-3-5-17(12-16)22-10-8-21(9-11-22)14-15-13-20-23-7-2-1-6-18(15)23/h1-7,12-13H,8-11,14H2/p+1/fC18H20ClN4/h21H/q+1 2FA21E7955634C7B