InChI=1/C19H28N4O3/c1-3-5-12-22(14-18(21)24)15-19(25)23(13-6-11-20)16-7-9-17(10-8-16)26-4-2/h7-10H,3-6,12-15H2,1-2H3,(H2,21,24)/p+1/fC19H29N4O3/h22H,21H2/q+1 557ED71519EE34EC