InChI=1/C15H20N4O3/c1-8-9(16-13(22)17-10(8)20)11-18-4-14(2)5-19(11)7-15(3,6-18)12(14)21/h11H,4-7H2,1-3H3,(H2,16,17,20,22)/f/h16-17H CCD4176BE9947ECC