InChI=1/C19H28N4O3/c1-13-5-6-16(14(2)11-13)20-19(26)21-17(24)12-23-9-7-15(8-10-23)18(25)22(3)4/h5-6,11,15H,7-10,12H2,1-4H3,(H2,20,21,24,26)/p+1/fC19H29N4O3/h20-21,23H/q+1 79A06D8742DAA66E