InChI=1/C14H20N4O3/c1-2-15-14(19)11-16-7-9-17(10-8-16)12-3-5-13(6-4-12)18(20)21/h3-6H,2,7-11H2,1H3,(H,15,19)/f/h15H F618C130BDBE0DEB