InChI=1/C19H21N5O3/c1-13(18-20-11-16(24-18)14-6-3-2-4-7-14)23-17(25)12-22-19(26)21-10-15-8-5-9-27-15/h2-9,11,13H,10,12H2,1H3,(H,20,24)(H,23,25)(H2,21,22,26)/p+1/t13-/m0/s1/fC19H22N5O3/h20-24H/q+1 4B34D6EDBFA5FAE2