InChI=1/C20H28N4O4/c1-3-5-11-27-17-13-9-7-8-10-14(13)18(28-12-6-4-2)16(20(22)24-26)15(17)19(21)23-25/h7-10,23,25H,3-6,11-12,21-22H2,1-2H3/b19-15-,20-16?	F92A1FA502E300D2