InChI=1/C20H26N4O4/c1-12-7-6-9-15(14(12)3)21-18(27)22-16(25)11-24-17(26)20(23-19(24)28)10-5-4-8-13(20)2/h6-7,9,13H,4-5,8,10-11H2,1-3H3,(H,23,28)(H2,21,22,25,27)/t13-,20-/m1/s1/f/h21-23H	D4B5D764CE0804F8