InChI=1/C20H24N4O4/c1-23-18-15(8-22-23)19(27)24(11-21-18)9-17(26)28-10-16(25)20-5-12-2-13(6-20)4-14(3-12)7-20/h8,11-14H,2-7,9-10H2,1H3 9AD96057D92C1F82