InChI=1/C19H21N5O3/c1-12(18(26)23-14-7-5-13(6-8-14)17(20)25)22-15-3-2-4-16(11-15)24-10-9-21-19(24)27/h2-8,11-12,22H,9-10H2,1H3,(H2,20,25)(H,21,27)(H,23,26)/t12-/m0/s1/f/h21,23H,20H2 1D62F3C6A4611FAF