InChI=1/C18H34N4O4/c1-5-26-18(25)22-15(10-12(2)3)11-20-17(24)21-14-8-6-13(7-9-14)16(23)19-4/h12-15H,5-11H2,1-4H3,(H,19,23)(H,22,25)(H2,20,21,24)/t13?,14?,15-/m1/s1/f/h19-22H 9F5D614002310055