InChI=1/C19H27N5O3/c25-17(21-16-8-9-16)18(26)22-23-19(27)20-12-14-4-6-15(7-5-14)13-24-10-2-1-3-11-24/h4-7,16H,1-3,8-13H2,(H,21,25)(H,22,26)(H2,20,23,27)/p+1/fC19H28N5O3/h20-24H/q+1 1B84C201A50CC81F