InChI=1/C18H26N4O3/c1-4-5-6-18-9-21-7-17(3,15(18)24)8-22(10-18)14(21)12-11(2)13(23)20-16(25)19-12/h14H,4-10H2,1-3H3,(H2,19,20,23,25)/f/h19-20H 599C00313D601EA5