InChI=1/C15H18N4O3/c1-9-13(19(21)22)12(18-17-9)14(20)16-11-7-5-10(6-8-11)15(2,3)4/h5-8H,1-4H3,(H,16,20)(H,17,18)/f/h16-17H 036E7298619C498E