InChI=1/C18H30N4O2/c1-7-17(3,4)21-15(23)19-13-11-9-10-12-14-20-16(24)22-18(5,6)8-2/h1-2H,9-14H2,3-6H3,(H2,19,21,23)(H2,20,22,24)/f/h19-22H 1C4B106214EBAC16