InChI=1/C21H33N3O4/c1-20(2)13-15(14-21(3,4)24-20)22-18(25)19(26)23-16-9-6-7-10-17(16)28-12-8-11-27-5/h6-7,9-10,15,24H,8,11-14H2,1-5H3,(H,22,25)(H,23,26)/p+1/fC21H34N3O4/h22-24H/q+1 34A638C0A34EF078