InChI=1/C19H28N4O3/c1-23(2)16(13-7-4-3-5-8-13)12-21-18(25)19(26)22-15-10-6-9-14(11-15)17(20)24/h6,9-11,13,16H,3-5,7-8,12H2,1-2H3,(H2,20,24)(H,21,25)(H,22,26)/p+1/t16-/m1/s1/fC19H29N4O3/h21-23H,20H2/q+1 997A2B591E842119