InChI=1/C19H21ClN4O3/c20-17-9-2-1-8-16(17)18(23-10-3-4-11-23)13-21-19(25)22-14-6-5-7-15(12-14)24(26)27/h1-2,5-9,12,18H,3-4,10-11,13H2,(H2,21,22,25)/p+1/t18-/m0/s1/fC19H22ClN4O3/h21-23H/q+1 D52EDCC483463453