InChI=1/C20H28N4O4/c1-20(2,3)16-9-17(23(4)22-16)21-19(26)24-10-12-14(27-5)7-8-15(28-6)18(12)13(25)11-24/h7-9,13,25H,10-11H2,1-6H3,(H,21,26)/t13-/m1/s1/f/h21H FA6D909D4904BE57