InChI=1/C20H26N4O5/c1-3-29-19(25)17-16(12-23-10-8-13(2)9-11-23)21-20(26)22-18(17)14-4-6-15(7-5-14)24(27)28/h4-7,13,18H,3,8-12H2,1-2H3,(H2,21,22,26)/t18-/m0/s1/f/h21-22H 0EC5311F03F00E7F