InChI=1/C21H33N3O4/c1-4-13-24(14-5-2)15-7-12-22-19(25)20(26)23-18-10-8-17(9-11-18)21(27)28-16-6-3/h8-11H,4-7,12-16H2,1-3H3,(H,22,25)(H,23,26)/p+1/fC21H34N3O4/h22-24H/q+1 1B7AFA3BBE5A3643