InChI=1/C19H21FN4O3/c20-15-9-16(18(21)17(10-15)24(26)27)19(25)22-11-13-5-1-2-6-14(13)12-23-7-3-4-8-23/h1-2,5-6,9-10H,3-4,7-8,11-12,21H2,(H,22,25)/p+1/fC19H22FN4O3/h22-23H/q+1 39F928093239658E