InChI=1/C19H27N5O4/c1-5-23(10-14-6-7-16(27-3)17(8-14)28-4)12-19(26)22-15-9-21-24(11-15)13-18(25)20-2/h6-9,11H,5,10,12-13H2,1-4H3,(H,20,25)(H,22,26)/p+1/fC19H28N5O4/h20,22-23H/q+1 A1820FCB0643FB14