InChI=1/C19H26N4O4/c20-16(24)9-8-14-5-4-11-22(13-14)18(26)19(27)23(12-10-17(21)25)15-6-2-1-3-7-15/h1-3,6-7,14H,4-5,8-13H2,(H2,20,24)(H2,21,25)/t14-/m0/s1/f/h20-21H2 BFBEFE822CD552D9