InChI=1/C18H34N4O4/c1-6-7-12-19-15(24)22-21-14(23)18(10-8-13(2)9-11-18)20-16(25)26-17(3,4)5/h13H,6-12H2,1-5H3,(H,20,25)(H,21,23)(H2,19,22,24)/f/h19-22H 6DF6A22DA4AA1D72