InChI=1/C21H31N3O4/c1-4-28-21(27)11-12-24(13-17-7-8-17)15-20(26)23(3)14-19(25)22-18-9-5-16(2)6-10-18/h5-6,9-10,17H,4,7-8,11-15H2,1-3H3,(H,22,25)/p+1/fC21H32N3O4/h22,24H/q+1 54C5661FCF53D6A1