InChI=1/C19H25N5O3/c1-13-3-5-15(6-4-13)19-22-18(27-23-19)12-24-9-7-16(8-10-24)21-17(26)11-20-14(2)25/h3-6,16H,7-12H2,1-2H3,(H,20,25)(H,21,26)/p+1/fC19H26N5O3/h20-21,24H/q+1 55C4E2335A46714F