InChI=1/C19H26N4O4/c20-17(24)9-12-27-16-7-2-1-5-14(16)22-19(26)18(25)21-13-8-11-23-10-4-3-6-15(13)23/h1-2,5,7,13,15H,3-4,6,8-12H2,(H2,20,24)(H,21,25)(H,22,26)/p+1/t13-,15+/m0/s1/fC19H27N4O4/h21-23H,20H2/q+1 266A537423AC4D31