InChI=1/C15H22N4O3/c1-8(2)6-19(5)7-11(20)16-15-13-12(10(4)22-15)9(3)17-18-14(13)21/h8H,6-7H2,1-5H3,(H,16,20)(H,18,21)/f/h16,19H 901075BF63C13ECA