InChI=1/C22H28N4O4/c1-5-17-6-8-18(9-7-17)21(28)26-12-10-25(11-13-26)19(27)14-30-22(29)20-15(2)23-24(4)16(20)3/h6-9H,5,10-14H2,1-4H3 538FAB0A05ED03D5