InChI=1/C16H24N4O3/c1-2-8-12-17-13(23-19-12)11-20-14(21)16(18-15(20)22)9-6-4-3-5-7-10-16/h2-11H2,1H3,(H,18,22)/f/h18H 1D941475F8161724