InChI=1/C18H28N4O2/c1-19-17(23)13-7-9-14(10-8-13)20-18(24)22-12-4-6-16(22)15-5-3-11-21(15)2/h3,5,11,13-14,16H,4,6-10,12H2,1-2H3,(H,19,23)(H,20,24)/t13?,14?,16-/m0/s1/f/h19-20H 767843D003FA919B