InChI=1/C21H33N3O4/c1-8-9-21(5,20(27)28-7)23-18(26)13-24(6)12-17(25)22-19-15(3)10-14(2)11-16(19)4/h10-11H,8-9,12-13H2,1-7H3,(H,22,25)(H,23,26)/p+1/t21-/m0/s1/fC21H34N3O4/h22-24H/q+1 F003E21338E8037D