InChI=1/C19H26N4O3/c24-17(9-8-16-18(25)22-19(26)21-16)20-11-15-7-4-10-23(13-15)12-14-5-2-1-3-6-14/h1-3,5-6,15-16H,4,7-13H2,(H,20,24)(H2,21,22,25,26)/p+1/t15-,16-/m1/s1/fC19H27N4O3/h20-23H/q+1 20B9B5D0C040C139