InChI=1/C19H21ClN4O3/c20-17-11-16(24(26)27)7-8-18(17)22-19(25)21-12-14-5-1-2-6-15(14)13-23-9-3-4-10-23/h1-2,5-8,11H,3-4,9-10,12-13H2,(H2,21,22,25)/p+1/fC19H22ClN4O3/h21-23H/q+1 A64DDBA27F7BBD01