InChI=1/C21H35N3O4/c1-13(2)18(24(5)6)12-22-21(26)19(14(3)4)23-20(25)15-9-16(27-7)11-17(10-15)28-8/h9-11,13-14,18-19H,12H2,1-8H3,(H,22,26)(H,23,25)/p+1/t18-,19-/m0/s1/fC21H36N3O4/h22-24H/q+1 144B7CB7E514FE6E