InChI=1/C18H26N4O4/c1-12-4-3-5-15(10-12)26-11-16(23)21-22-18(25)20-14-8-6-13(7-9-14)17(24)19-2/h3-5,10,13-14H,6-9,11H2,1-2H3,(H,19,24)(H,21,23)(H2,20,22,25)/f/h19-22H 91A0FCAED23608D9