InChI=1/C20H32N4O4/c1-6-28-20(27)23-17-11-9-10-16(15(17)4)22-19(26)18(25)21-12-7-8-13-24(5)14(2)3/h9-11,14H,6-8,12-13H2,1-5H3,(H,21,25)(H,22,26)(H,23,27)/p+1/fC20H33N4O4/h21-24H/q+1 B9662935F5A2A500